[llvm] ac89b03 - [CostModel][X86] Add CostKinds test coverage for bitreverse intrinsics

Tue Sep 13 03:29:19 PDT 2022

Author: Simon Pilgrim
Date: 2022-09-13T11:23:03+01:00
New Revision: ac89b03934597700bf03915a11fa47f6a71c4842

URL: https://github.com/llvm/llvm-project/commit/ac89b03934597700bf03915a11fa47f6a71c4842
DIFF: https://github.com/llvm/llvm-project/commit/ac89b03934597700bf03915a11fa47f6a71c4842.diff

LOG: [CostModel][X86] Add CostKinds test coverage for bitreverse intrinsics

Added: 
    llvm/test/Analysis/CostModel/X86/bitreverse-codesize.ll
    llvm/test/Analysis/CostModel/X86/bitreverse-latency.ll
    llvm/test/Analysis/CostModel/X86/bitreverse-sizelatency.ll

Modified: 
    

Removed: 
    


################################################################################
diff  --git a/llvm/test/Analysis/CostModel/X86/bitreverse-codesize.ll b/llvm/test/Analysis/CostModel/X86/bitreverse-codesize.ll
new file mode 100644
index 0000000000000..6df5704ccf442

--- /dev/null
+++ b/llvm/test/Analysis/CostModel/X86/bitreverse-codesize.ll
@@ -0,0 +1,768 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+sse2 | FileCheck %s -check-prefixes=X86,SSE2
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+sse4.2 | FileCheck %s -check-prefixes=X86,SSE42
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx | FileCheck %s -check-prefixes=X86,AVX1
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx2 | FileCheck %s -check-prefixes=X86,AVX2
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512f | FileCheck %s -check-prefixes=X86,AVX512
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512vl,avx512bw,avx512dq | FileCheck %s -check-prefixes=X86,AVX512
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+sse2 | FileCheck %s -check-prefixes=X64,SSE2
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+sse4.2 | FileCheck %s -check-prefixes=X64,SSE42
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx | FileCheck %s -check-prefixes=X64,AVX1
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx2 | FileCheck %s -check-prefixes=X64,AVX2
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512f | FileCheck %s -check-prefixes=X64,AVX512
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+avx512vl,+avx512bw,+avx512dq | FileCheck %s -check-prefixes=X64,AVX512
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+xop | FileCheck %s -check-prefixes=XOP
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+xop,+avx2 | FileCheck %s -check-prefixes=XOP
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+gfni,+ssse3 | FileCheck %s -check-prefixes=GFNISSE
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+gfni,+avx | FileCheck %s -check-prefixes=GFNIAVX
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+gfni,+avx2 | FileCheck %s -check-prefixes=GFNIAVX2
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+gfni,+avx512f | FileCheck %s -check-prefixes=GFNIAVX512F
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=code-size -mattr=+gfni,+avx512bw | FileCheck %s -check-prefixes=GFNIAVX512BW
+
+; Verify the cost of scalar bitreverse instructions.
+
+declare i64 @llvm.bitreverse.i64(i64)
+declare i32 @llvm.bitreverse.i32(i32)
+declare i16 @llvm.bitreverse.i16(i16)
+declare  i8 @llvm.bitreverse.i8(i8)
+
+define i64 @var_bitreverse_i64(i64 %a) {
+; X86-LABEL: 'var_bitreverse_i64'
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i64'
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+  %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+  ret i64 %bitreverse
+}
+
+define i32 @var_bitreverse_i32(i32 %a) {
+; X86-LABEL: 'var_bitreverse_i32'
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i32'
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+  %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+  ret i32 %bitreverse
+}
+
+define i16 @var_bitreverse_i16(i16 %a) {
+; X86-LABEL: 'var_bitreverse_i16'
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i16'
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+  %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+  ret i16 %bitreverse
+}
+
+define i8 @var_bitreverse_i8(i8 %a) {
+; X86-LABEL: 'var_bitreverse_i8'
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i8'
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+  %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+  ret i8 %bitreverse
+}
+
+; Verify the cost of vector bitreverse instructions.
+
+declare <2 x i64> @llvm.bitreverse.v2i64(<2 x i64>)
+declare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>)
+declare <8 x i16> @llvm.bitreverse.v8i16(<8 x i16>)
+declare <16 x i8> @llvm.bitreverse.v16i8(<16 x i8>)
+
+declare <4 x i64> @llvm.bitreverse.v4i64(<4 x i64>)
+declare <8 x i32> @llvm.bitreverse.v8i32(<8 x i32>)
+declare <16 x i16> @llvm.bitreverse.v16i16(<16 x i16>)
+declare <32 x i8> @llvm.bitreverse.v32i8(<32 x i8>)
+
+declare <8 x i64> @llvm.bitreverse.v8i64(<8 x i64>)
+declare <16 x i32> @llvm.bitreverse.v16i32(<16 x i32>)
+declare <32 x i16> @llvm.bitreverse.v32i16(<32 x i16>)
+declare <64 x i8> @llvm.bitreverse.v64i8(<64 x i8>)
+
+define <2 x i64> @var_bitreverse_v2i64(<2 x i64> %a) {
+; SSE2-LABEL: 'var_bitreverse_v2i64'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v2i64'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v2i64'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v2i64'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v2i64'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v2i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v2i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+  %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+  ret <2 x i64> %bitreverse
+}
+
+define <4 x i64> @var_bitreverse_v4i64(<4 x i64> %a) {
+; SSE2-LABEL: 'var_bitreverse_v4i64'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 16 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v4i64'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v4i64'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v4i64'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v4i64'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 15 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v4i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v4i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+  %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+  ret <4 x i64> %bitreverse
+}
+
+define <8 x i64> @var_bitreverse_v8i64(<8 x i64> %a) {
+; SSE2-LABEL: 'var_bitreverse_v8i64'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 32 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v8i64'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v8i64'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v8i64'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 30 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v8i64'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 31 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v8i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v8i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+  %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+  ret <8 x i64> %bitreverse
+}
+
+define <4 x i32> @var_bitreverse_v4i32(<4 x i32> %a) {
+; SSE2-LABEL: 'var_bitreverse_v4i32'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 18 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v4i32'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v4i32'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v4i32'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v4i32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v4i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v4i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+  %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+  ret <4 x i32> %bitreverse
+}
+
+define <8 x i32> @var_bitreverse_v8i32(<8 x i32> %a) {
+; SSE2-LABEL: 'var_bitreverse_v8i32'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 36 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v8i32'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v8i32'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v8i32'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v8i32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 27 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v8i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v8i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+  %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+  ret <8 x i32> %bitreverse
+}
+
+define <16 x i32> @var_bitreverse_v16i32(<16 x i32> %a) {
+; SSE2-LABEL: 'var_bitreverse_v16i32'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 72 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v16i32'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v16i32'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v16i32'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v16i32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 55 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v16i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v16i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+  %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+  ret <16 x i32> %bitreverse
+}
+
+define <8 x i16> @var_bitreverse_v8i16(<8 x i16> %a) {
+; X86-LABEL: 'var_bitreverse_v8i16'
+; X86-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_v8i16'
+; X64-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v8i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v8i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+  %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+  ret <8 x i16> %bitreverse
+}
+
+define <16 x i16> @var_bitreverse_v16i16(<16 x i16> %a) {
+; SSE2-LABEL: 'var_bitreverse_v16i16'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v16i16'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v16i16'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v16i16'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v16i16'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v16i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v16i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+  %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+  ret <16 x i16> %bitreverse
+}
+
+define <32 x i16> @var_bitreverse_v32i16(<32 x i16> %a) {
+; SSE2-LABEL: 'var_bitreverse_v32i16'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v32i16'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v32i16'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v32i16'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v32i16'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 103 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v32i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v32i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+  %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+  ret <32 x i16> %bitreverse
+}
+
+define <16 x i8> @var_bitreverse_v16i8(<16 x i8> %a) {
+; SSE2-LABEL: 'var_bitreverse_v16i8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 78 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v16i8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v16i8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v16i8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v16i8'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v16i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v16i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+  %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+  ret <16 x i8> %bitreverse
+}
+
+define <32 x i8> @var_bitreverse_v32i8(<32 x i8> %a) {
+; SSE2-LABEL: 'var_bitreverse_v32i8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 156 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v32i8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v32i8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v32i8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v32i8'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v32i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v32i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+  %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+  ret <32 x i8> %bitreverse
+}
+
+define <64 x i8> @var_bitreverse_v64i8(<64 x i8> %a) {
+; SSE2-LABEL: 'var_bitreverse_v64i8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 312 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v64i8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v64i8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v64i8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v64i8'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v64i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v64i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+  %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+  ret <64 x i8> %bitreverse
+}

diff  --git a/llvm/test/Analysis/CostModel/X86/bitreverse-latency.ll b/llvm/test/Analysis/CostModel/X86/bitreverse-latency.ll
new file mode 100644
index 0000000000000..a17004542bcde
--- /dev/null
+++ b/llvm/test/Analysis/CostModel/X86/bitreverse-latency.ll
@@ -0,0 +1,768 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+sse2 | FileCheck %s -check-prefixes=X86,SSE2
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+sse4.2 | FileCheck %s -check-prefixes=X86,SSE42
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+avx | FileCheck %s -check-prefixes=X86,AVX1
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+avx2 | FileCheck %s -check-prefixes=X86,AVX2
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+avx512f | FileCheck %s -check-prefixes=X86,AVX512
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+avx512vl,avx512bw,avx512dq | FileCheck %s -check-prefixes=X86,AVX512
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+sse2 | FileCheck %s -check-prefixes=X64,SSE2
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+sse4.2 | FileCheck %s -check-prefixes=X64,SSE42
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+avx | FileCheck %s -check-prefixes=X64,AVX1
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+avx2 | FileCheck %s -check-prefixes=X64,AVX2
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+avx512f | FileCheck %s -check-prefixes=X64,AVX512
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+avx512vl,+avx512bw,+avx512dq | FileCheck %s -check-prefixes=X64,AVX512
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+xop | FileCheck %s -check-prefixes=XOP
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+xop,+avx2 | FileCheck %s -check-prefixes=XOP
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+gfni,+ssse3 | FileCheck %s -check-prefixes=GFNISSE
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+gfni,+avx | FileCheck %s -check-prefixes=GFNIAVX
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+gfni,+avx2 | FileCheck %s -check-prefixes=GFNIAVX2
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+gfni,+avx512f | FileCheck %s -check-prefixes=GFNIAVX512F
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=latency -mattr=+gfni,+avx512bw | FileCheck %s -check-prefixes=GFNIAVX512BW
+
+; Verify the cost of scalar bitreverse instructions.
+
+declare i64 @llvm.bitreverse.i64(i64)
+declare i32 @llvm.bitreverse.i32(i32)
+declare i16 @llvm.bitreverse.i16(i16)
+declare  i8 @llvm.bitreverse.i8(i8)
+
+define i64 @var_bitreverse_i64(i64 %a) {
+; X86-LABEL: 'var_bitreverse_i64'
+; X86-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i64'
+; X64-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+  %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+  ret i64 %bitreverse
+}
+
+define i32 @var_bitreverse_i32(i32 %a) {
+; X86-LABEL: 'var_bitreverse_i32'
+; X86-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i32'
+; X64-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+  %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+  ret i32 %bitreverse
+}
+
+define i16 @var_bitreverse_i16(i16 %a) {
+; X86-LABEL: 'var_bitreverse_i16'
+; X86-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i16'
+; X64-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+  %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+  ret i16 %bitreverse
+}
+
+define i8 @var_bitreverse_i8(i8 %a) {
+; X86-LABEL: 'var_bitreverse_i8'
+; X86-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i8'
+; X64-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+  %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+  ret i8 %bitreverse
+}
+
+; Verify the cost of vector bitreverse instructions.
+
+declare <2 x i64> @llvm.bitreverse.v2i64(<2 x i64>)
+declare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>)
+declare <8 x i16> @llvm.bitreverse.v8i16(<8 x i16>)
+declare <16 x i8> @llvm.bitreverse.v16i8(<16 x i8>)
+
+declare <4 x i64> @llvm.bitreverse.v4i64(<4 x i64>)
+declare <8 x i32> @llvm.bitreverse.v8i32(<8 x i32>)
+declare <16 x i16> @llvm.bitreverse.v16i16(<16 x i16>)
+declare <32 x i8> @llvm.bitreverse.v32i8(<32 x i8>)
+
+declare <8 x i64> @llvm.bitreverse.v8i64(<8 x i64>)
+declare <16 x i32> @llvm.bitreverse.v16i32(<16 x i32>)
+declare <32 x i16> @llvm.bitreverse.v32i16(<32 x i16>)
+declare <64 x i8> @llvm.bitreverse.v64i8(<64 x i8>)
+
+define <2 x i64> @var_bitreverse_v2i64(<2 x i64> %a) {
+; SSE2-LABEL: 'var_bitreverse_v2i64'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v2i64'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v2i64'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v2i64'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v2i64'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v2i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v2i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+  %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+  ret <2 x i64> %bitreverse
+}
+
+define <4 x i64> @var_bitreverse_v4i64(<4 x i64> %a) {
+; SSE2-LABEL: 'var_bitreverse_v4i64'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v4i64'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v4i64'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v4i64'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v4i64'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v4i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v4i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+  %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+  ret <4 x i64> %bitreverse
+}
+
+define <8 x i64> @var_bitreverse_v8i64(<8 x i64> %a) {
+; SSE2-LABEL: 'var_bitreverse_v8i64'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 104 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v8i64'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v8i64'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v8i64'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v8i64'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 103 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v8i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v8i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+  %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+  ret <8 x i64> %bitreverse
+}
+
+define <4 x i32> @var_bitreverse_v4i32(<4 x i32> %a) {
+; SSE2-LABEL: 'var_bitreverse_v4i32'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v4i32'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v4i32'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v4i32'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v4i32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v4i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v4i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+  %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+  ret <4 x i32> %bitreverse
+}
+
+define <8 x i32> @var_bitreverse_v8i32(<8 x i32> %a) {
+; SSE2-LABEL: 'var_bitreverse_v8i32'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 108 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v8i32'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v8i32'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 99 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v8i32'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 99 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v8i32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 99 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v8i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v8i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+  %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+  ret <8 x i32> %bitreverse
+}
+
+define <16 x i32> @var_bitreverse_v16i32(<16 x i32> %a) {
+; SSE2-LABEL: 'var_bitreverse_v16i32'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 216 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v16i32'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 192 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v16i32'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 198 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v16i32'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 198 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v16i32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 199 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v16i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v16i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+  %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+  ret <16 x i32> %bitreverse
+}
+
+define <8 x i16> @var_bitreverse_v8i16(<8 x i16> %a) {
+; X86-LABEL: 'var_bitreverse_v8i16'
+; X86-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_v8i16'
+; X64-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v8i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v8i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+  %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+  ret <8 x i16> %bitreverse
+}
+
+define <16 x i16> @var_bitreverse_v16i16(<16 x i16> %a) {
+; SSE2-LABEL: 'var_bitreverse_v16i16'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 192 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v16i16'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 192 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v16i16'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 195 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v16i16'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 195 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v16i16'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 195 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v16i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v16i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+  %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+  ret <16 x i16> %bitreverse
+}
+
+define <32 x i16> @var_bitreverse_v32i16(<32 x i16> %a) {
+; SSE2-LABEL: 'var_bitreverse_v32i16'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 384 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v32i16'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 384 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v32i16'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 390 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v32i16'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 390 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v32i16'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 391 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v32i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v32i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+  %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+  ret <32 x i16> %bitreverse
+}
+
+define <16 x i8> @var_bitreverse_v16i8(<16 x i8> %a) {
+; SSE2-LABEL: 'var_bitreverse_v16i8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 222 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v16i8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v16i8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v16i8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v16i8'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v16i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v16i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+  %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+  ret <16 x i8> %bitreverse
+}
+
+define <32 x i8> @var_bitreverse_v32i8(<32 x i8> %a) {
+; SSE2-LABEL: 'var_bitreverse_v32i8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 444 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v32i8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v32i8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v32i8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v32i8'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v32i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v32i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+  %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+  ret <32 x i8> %bitreverse
+}
+
+define <64 x i8> @var_bitreverse_v64i8(<64 x i8> %a) {
+; SSE2-LABEL: 'var_bitreverse_v64i8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 888 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v64i8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v64i8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v64i8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v64i8'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v64i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v64i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+  %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+  ret <64 x i8> %bitreverse
+}

diff  --git a/llvm/test/Analysis/CostModel/X86/bitreverse-sizelatency.ll b/llvm/test/Analysis/CostModel/X86/bitreverse-sizelatency.ll
new file mode 100644
index 0000000000000..83b13afc200b7
--- /dev/null
+++ b/llvm/test/Analysis/CostModel/X86/bitreverse-sizelatency.ll
@@ -0,0 +1,768 @@
+; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+sse2 | FileCheck %s -check-prefixes=X86,SSE2
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+sse4.2 | FileCheck %s -check-prefixes=X86,SSE42
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+avx | FileCheck %s -check-prefixes=X86,AVX1
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+avx2 | FileCheck %s -check-prefixes=X86,AVX2
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+avx512f | FileCheck %s -check-prefixes=X86,AVX512
+; RUN: opt < %s -mtriple=i686-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+avx512vl,avx512bw,avx512dq | FileCheck %s -check-prefixes=X86,AVX512
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+sse2 | FileCheck %s -check-prefixes=X64,SSE2
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+sse4.2 | FileCheck %s -check-prefixes=X64,SSE42
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+avx | FileCheck %s -check-prefixes=X64,AVX1
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+avx2 | FileCheck %s -check-prefixes=X64,AVX2
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+avx512f | FileCheck %s -check-prefixes=X64,AVX512
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+avx512vl,+avx512bw,+avx512dq | FileCheck %s -check-prefixes=X64,AVX512
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+xop | FileCheck %s -check-prefixes=XOP
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+xop,+avx2 | FileCheck %s -check-prefixes=XOP
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+gfni,+ssse3 | FileCheck %s -check-prefixes=GFNISSE
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+gfni,+avx | FileCheck %s -check-prefixes=GFNIAVX
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+gfni,+avx2 | FileCheck %s -check-prefixes=GFNIAVX2
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+gfni,+avx512f | FileCheck %s -check-prefixes=GFNIAVX512F
+; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -passes="print<cost-model>" 2>&1 -disable-output -cost-kind=size-latency -mattr=+gfni,+avx512bw | FileCheck %s -check-prefixes=GFNIAVX512BW
+
+; Verify the cost of scalar bitreverse instructions.
+
+declare i64 @llvm.bitreverse.i64(i64)
+declare i32 @llvm.bitreverse.i32(i32)
+declare i16 @llvm.bitreverse.i16(i16)
+declare  i8 @llvm.bitreverse.i8(i8)
+
+define i64 @var_bitreverse_i64(i64 %a) {
+; X86-LABEL: 'var_bitreverse_i64'
+; X86-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i64'
+; X64-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i64 %bitreverse
+;
+  %bitreverse = call i64 @llvm.bitreverse.i64(i64 %a)
+  ret i64 %bitreverse
+}
+
+define i32 @var_bitreverse_i32(i32 %a) {
+; X86-LABEL: 'var_bitreverse_i32'
+; X86-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i32'
+; X64-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i32 %bitreverse
+;
+  %bitreverse = call i32 @llvm.bitreverse.i32(i32 %a)
+  ret i32 %bitreverse
+}
+
+define i16 @var_bitreverse_i16(i16 %a) {
+; X86-LABEL: 'var_bitreverse_i16'
+; X86-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i16'
+; X64-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i16 %bitreverse
+;
+  %bitreverse = call i16 @llvm.bitreverse.i16(i16 %a)
+  ret i16 %bitreverse
+}
+
+define i8 @var_bitreverse_i8(i8 %a) {
+; X86-LABEL: 'var_bitreverse_i8'
+; X86-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_i8'
+; X64-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 10 for instruction: %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret i8 %bitreverse
+;
+  %bitreverse = call i8 @llvm.bitreverse.i8(i8 %a)
+  ret i8 %bitreverse
+}
+
+; Verify the cost of vector bitreverse instructions.
+
+declare <2 x i64> @llvm.bitreverse.v2i64(<2 x i64>)
+declare <4 x i32> @llvm.bitreverse.v4i32(<4 x i32>)
+declare <8 x i16> @llvm.bitreverse.v8i16(<8 x i16>)
+declare <16 x i8> @llvm.bitreverse.v16i8(<16 x i8>)
+
+declare <4 x i64> @llvm.bitreverse.v4i64(<4 x i64>)
+declare <8 x i32> @llvm.bitreverse.v8i32(<8 x i32>)
+declare <16 x i16> @llvm.bitreverse.v16i16(<16 x i16>)
+declare <32 x i8> @llvm.bitreverse.v32i8(<32 x i8>)
+
+declare <8 x i64> @llvm.bitreverse.v8i64(<8 x i64>)
+declare <16 x i32> @llvm.bitreverse.v16i32(<16 x i32>)
+declare <32 x i16> @llvm.bitreverse.v32i16(<32 x i16>)
+declare <64 x i8> @llvm.bitreverse.v64i8(<64 x i8>)
+
+define <2 x i64> @var_bitreverse_v2i64(<2 x i64> %a) {
+; SSE2-LABEL: 'var_bitreverse_v2i64'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 26 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v2i64'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v2i64'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v2i64'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v2i64'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 24 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v2i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v2i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v2i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <2 x i64> %bitreverse
+;
+  %bitreverse = call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %a)
+  ret <2 x i64> %bitreverse
+}
+
+define <4 x i64> @var_bitreverse_v4i64(<4 x i64> %a) {
+; SSE2-LABEL: 'var_bitreverse_v4i64'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 52 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v4i64'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v4i64'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v4i64'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v4i64'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 51 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v4i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v4i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v4i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i64> %bitreverse
+;
+  %bitreverse = call <4 x i64> @llvm.bitreverse.v4i64(<4 x i64> %a)
+  ret <4 x i64> %bitreverse
+}
+
+define <8 x i64> @var_bitreverse_v8i64(<8 x i64> %a) {
+; SSE2-LABEL: 'var_bitreverse_v8i64'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 104 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v8i64'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v8i64'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v8i64'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 102 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v8i64'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 103 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v8i64'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v8i64'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v8i64'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i64> %bitreverse
+;
+  %bitreverse = call <8 x i64> @llvm.bitreverse.v8i64(<8 x i64> %a)
+  ret <8 x i64> %bitreverse
+}
+
+define <4 x i32> @var_bitreverse_v4i32(<4 x i32> %a) {
+; SSE2-LABEL: 'var_bitreverse_v4i32'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 54 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v4i32'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v4i32'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v4i32'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v4i32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 48 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v4i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v4i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v4i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <4 x i32> %bitreverse
+;
+  %bitreverse = call <4 x i32> @llvm.bitreverse.v4i32(<4 x i32> %a)
+  ret <4 x i32> %bitreverse
+}
+
+define <8 x i32> @var_bitreverse_v8i32(<8 x i32> %a) {
+; SSE2-LABEL: 'var_bitreverse_v8i32'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 108 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v8i32'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v8i32'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 99 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v8i32'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 99 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v8i32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 99 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v8i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v8i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v8i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i32> %bitreverse
+;
+  %bitreverse = call <8 x i32> @llvm.bitreverse.v8i32(<8 x i32> %a)
+  ret <8 x i32> %bitreverse
+}
+
+define <16 x i32> @var_bitreverse_v16i32(<16 x i32> %a) {
+; SSE2-LABEL: 'var_bitreverse_v16i32'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 216 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v16i32'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 192 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v16i32'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 198 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v16i32'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 198 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v16i32'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 199 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v16i32'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v16i32'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v16i32'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i32> %bitreverse
+;
+  %bitreverse = call <16 x i32> @llvm.bitreverse.v16i32(<16 x i32> %a)
+  ret <16 x i32> %bitreverse
+}
+
+define <8 x i16> @var_bitreverse_v8i16(<8 x i16> %a) {
+; X86-LABEL: 'var_bitreverse_v8i16'
+; X86-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; X86-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; X64-LABEL: 'var_bitreverse_v8i16'
+; X64-NEXT:  Cost Model: Found an estimated cost of 96 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; X64-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v8i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v8i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v8i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <8 x i16> %bitreverse
+;
+  %bitreverse = call <8 x i16> @llvm.bitreverse.v8i16(<8 x i16> %a)
+  ret <8 x i16> %bitreverse
+}
+
+define <16 x i16> @var_bitreverse_v16i16(<16 x i16> %a) {
+; SSE2-LABEL: 'var_bitreverse_v16i16'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 192 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v16i16'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 192 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v16i16'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 195 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v16i16'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 195 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v16i16'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 195 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v16i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v16i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v16i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i16> %bitreverse
+;
+  %bitreverse = call <16 x i16> @llvm.bitreverse.v16i16(<16 x i16> %a)
+  ret <16 x i16> %bitreverse
+}
+
+define <32 x i16> @var_bitreverse_v32i16(<32 x i16> %a) {
+; SSE2-LABEL: 'var_bitreverse_v32i16'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 384 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v32i16'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 384 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v32i16'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 390 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v32i16'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 390 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v32i16'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 391 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v32i16'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v32i16'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 12 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 6 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v32i16'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i16> %bitreverse
+;
+  %bitreverse = call <32 x i16> @llvm.bitreverse.v32i16(<32 x i16> %a)
+  ret <32 x i16> %bitreverse
+}
+
+define <16 x i8> @var_bitreverse_v16i8(<16 x i8> %a) {
+; SSE2-LABEL: 'var_bitreverse_v16i8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 222 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v16i8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v16i8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v16i8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v16i8'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v16i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v16i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v16i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <16 x i8> %bitreverse
+;
+  %bitreverse = call <16 x i8> @llvm.bitreverse.v16i8(<16 x i8> %a)
+  ret <16 x i8> %bitreverse
+}
+
+define <32 x i8> @var_bitreverse_v32i8(<32 x i8> %a) {
+; SSE2-LABEL: 'var_bitreverse_v32i8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 444 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v32i8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v32i8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v32i8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v32i8'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v32i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v32i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v32i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <32 x i8> %bitreverse
+;
+  %bitreverse = call <32 x i8> @llvm.bitreverse.v32i8(<32 x i8> %a)
+  ret <32 x i8> %bitreverse
+}
+
+define <64 x i8> @var_bitreverse_v64i8(<64 x i8> %a) {
+; SSE2-LABEL: 'var_bitreverse_v64i8'
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 888 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; SSE2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; SSE42-LABEL: 'var_bitreverse_v64i8'
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; SSE42-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; AVX1-LABEL: 'var_bitreverse_v64i8'
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; AVX1-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; AVX2-LABEL: 'var_bitreverse_v64i8'
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; AVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; AVX512-LABEL: 'var_bitreverse_v64i8'
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; AVX512-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; XOP-LABEL: 'var_bitreverse_v64i8'
+; XOP-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; XOP-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNISSE-LABEL: 'var_bitreverse_v64i8'
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNISSE-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 8 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX2-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 2 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX2-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX512F-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 4 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX512F-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+; GFNIAVX512BW-LABEL: 'var_bitreverse_v64i8'
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+; GFNIAVX512BW-NEXT:  Cost Model: Found an estimated cost of 1 for instruction: ret <64 x i8> %bitreverse
+;
+  %bitreverse = call <64 x i8> @llvm.bitreverse.v64i8(<64 x i8> %a)
+  ret <64 x i8> %bitreverse
+}


        
