[llvm] r284938 - [CostModel][X86] Added tests for current integer trunc costs

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Sun Oct 23 10:17:52 2016
New Revision: 284938

URL: http://llvm.org/viewvc/llvm-project?rev=284938&view=rev
Log:
[CostModel][X86] Added tests for current integer trunc costs

Added:
    llvm/trunk/test/Analysis/CostModel/X86/trunc.ll

Added: llvm/trunk/test/Analysis/CostModel/X86/trunc.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/CostModel/X86/trunc.ll?rev=284938&view=auto
==============================================================================
--- llvm/trunk/test/Analysis/CostModel/X86/trunc.ll (added)
+++ llvm/trunk/test/Analysis/CostModel/X86/trunc.ll Sun Oct 23 10:17:52 2016
@@ -0,0 +1,141 @@
+; RUN: opt < %s  -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mattr=+sse2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE --check-prefix=SSE2
+; RUN: opt < %s  -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mattr=+ssse3 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE --check-prefix=SSSE3
+; RUN: opt < %s  -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mattr=+sse4.2 | FileCheck %s --check-prefix=CHECK --check-prefix=SSE --check-prefix=SSE42
+; RUN: opt < %s  -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mattr=+avx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX1
+; RUN: opt < %s  -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mattr=+avx2 | FileCheck %s --check-prefix=CHECK --check-prefix=AVX --check-prefix=AVX2
+; RUN: opt < %s  -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mattr=+avx512f | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512F
+; RUN: opt < %s  -cost-model -analyze -mtriple=x86_64-apple-macosx10.8.0 -mattr=+avx512f,+avx512bw | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512 --check-prefix=AVX512BW
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.8.0"
+
+; CHECK-LABEL: 'trunc_vXi32'
+define i32 @trunc_vXi32() {
+  ; SSE: cost of 0 {{.*}} %V2i64 = trunc
+  ; AVX1: cost of 0 {{.*}} %V2i64 = trunc
+  ; AVX2: cost of 0 {{.*}} %V2i64 = trunc
+  ; AVX512: cost of 0 {{.*}} %V2i64 = trunc
+  %V2i64 = trunc <2 x i64> undef to <2 x i32>
+
+  ; SSE: cost of 1 {{.*}} %V4i64 = trunc
+  ; AVX1: cost of 4 {{.*}} %V4i64 = trunc
+  ; AVX2: cost of 2 {{.*}} %V4i64 = trunc
+  ; AVX512: cost of 2 {{.*}} %V4i64 = trunc
+  %V4i64 = trunc <4 x i64> undef to <4 x i32>
+
+  ; SSE: cost of 3 {{.*}} %V8i64 = trunc
+  ; AVX1: cost of 9 {{.*}} %V8i64 = trunc
+  ; AVX2: cost of 4 {{.*}} %V8i64 = trunc
+  ; AVX512: cost of 1 {{.*}} %V8i64 = trunc
+  %V8i64 = trunc <8 x i64> undef to <8 x i32>
+
+  ret i32 undef
+}
+
+; CHECK-LABEL: 'trunc_vXi16'
+define i32 @trunc_vXi16() {
+  ; SSE: cost of 0 {{.*}} %V2i64 = trunc
+  ; AVX: cost of 0 {{.*}} %V2i64 = trunc
+  %V2i64 = trunc <2 x i64> undef to <2 x i16>
+
+  ; SSE: cost of 1 {{.*}} %V4i64 = trunc
+  ; AVX1: cost of 4 {{.*}} %V4i64 = trunc
+  ; AVX2: cost of 2 {{.*}} %V4i64 = trunc
+  ; AVX512: cost of 2 {{.*}} %V4i64 = trunc
+  %V4i64 = trunc <4 x i64> undef to <4 x i16>
+
+  ; SSE: cost of 3 {{.*}} %V8i64 = trunc
+  ; AVX: cost of 0 {{.*}} %V8i64 = trunc
+  %V8i64 = trunc <8 x i64> undef to <8 x i16>
+
+  ; SSE2: cost of 3 {{.*}} %V4i32 = trunc
+  ; SSSE3: cost of 3 {{.*}} %V4i32 = trunc
+  ; SSE42: cost of 1 {{.*}} %V4i32 = trunc
+  ; AVX1: cost of 1 {{.*}} %V4i32 = trunc
+  ; AVX2: cost of 1 {{.*}} %V4i32 = trunc
+  ; AVX512: cost of 1 {{.*}} %V4i32 = trunc
+  %V4i32 = trunc <4 x i32> undef to <4 x i16>
+
+  ; SSE2: cost of 5 {{.*}} %V8i32 = trunc
+  ; SSSE3: cost of 5 {{.*}} %V8i32 = trunc
+  ; SSE42: cost of 3 {{.*}} %V8i32 = trunc
+  ; AVX1: cost of 5 {{.*}} %V8i32 = trunc
+  ; AVX2: cost of 2 {{.*}} %V8i32 = trunc
+  ; AVX512: cost of 2 {{.*}} %V8i32 = trunc
+  %V8i32 = trunc <8 x i32> undef to <8 x i16>
+
+  ; SSE2: cost of 10 {{.*}} %V16i32 = trunc
+  ; SSSE3: cost of 10 {{.*}} %V16i32 = trunc
+  ; SSE42: cost of 6 {{.*}} %V16i32 = trunc
+  ; AVX1: cost of 6 {{.*}} %V16i32 = trunc
+  ; AVX2: cost of 6 {{.*}} %V16i32 = trunc
+  ; AVX512: cost of 1 {{.*}} %V16i32 = trunc
+  %V16i32 = trunc <16 x i32> undef to <16 x i16>
+
+  ret i32 undef
+}
+
+; CHECK-LABEL: 'trunc_vXi8'
+define i32 @trunc_vXi8() {
+  ; SSE: cost of 0 {{.*}} %V2i64 = trunc
+  ; AVX: cost of 0 {{.*}} %V2i64 = trunc
+  %V2i64 = trunc <2 x i64> undef to <2 x i8>
+
+  ; SSE: cost of 1 {{.*}} %V4i64 = trunc
+  ; AVX1: cost of 4 {{.*}} %V4i64 = trunc
+  ; AVX2: cost of 2 {{.*}} %V4i64 = trunc
+  ; AVX512: cost of 2 {{.*}} %V4i64 = trunc
+  %V4i64 = trunc <4 x i64> undef to <4 x i8>
+
+  ; SSE: cost of 3 {{.*}} %V8i64 = trunc
+  ; AVX: cost of 0 {{.*}} %V8i64 = trunc
+  %V8i64 = trunc <8 x i64> undef to <8 x i8>
+
+  ; SSE: cost of 0 {{.*}} %V2i32 = trunc
+  ; AVX: cost of 0 {{.*}} %V2i32 = trunc
+  %V2i32 = trunc <2 x i32> undef to <2 x i8>
+
+  ; SSE2: cost of 3 {{.*}} %V4i32 = trunc
+  ; SSSE3: cost of 3 {{.*}} %V4i32 = trunc
+  ; SSE42: cost of 1 {{.*}} %V4i32 = trunc
+  ; AVX: cost of 1 {{.*}} %V4i32 = trunc
+  %V4i32 = trunc <4 x i32> undef to <4 x i8>
+
+  ; SSE2: cost of 4 {{.*}} %V8i32 = trunc
+  ; SSSE3: cost of 4 {{.*}} %V8i32 = trunc
+  ; SSE42: cost of 3 {{.*}} %V8i32 = trunc
+  ; AVX1: cost of 4 {{.*}} %V8i32 = trunc
+  ; AVX2: cost of 2 {{.*}} %V8i32 = trunc
+  ; AVX512: cost of 2 {{.*}} %V8i32 = trunc
+  %V8i32 = trunc <8 x i32> undef to <8 x i8>
+
+  ; SSE: cost of 7 {{.*}} %V16i32 = trunc
+  ; AVX: cost of 7 {{.*}} %V16i32 = trunc
+  %V16i32 = trunc <16 x i32> undef to <16 x i8>
+
+  ; SSE: cost of 0 {{.*}} %V2i16 = trunc
+  ; AVX: cost of 0 {{.*}} %V2i16 = trunc
+  %V2i16 = trunc <2 x i16> undef to <2 x i8>
+
+  ; SSE2: cost of 4 {{.*}} %V4i16 = trunc
+  ; SSSE3: cost of 4 {{.*}} %V4i16 = trunc
+  ; SSE42: cost of 2 {{.*}} %V4i16 = trunc
+  ; AVX: cost of 2 {{.*}} %V4i16 = trunc
+  %V4i16 = trunc <4 x i16> undef to <4 x i8>
+
+  ; SSE2: cost of 2 {{.*}} %V8i16 = trunc
+  ; SSSE3: cost of 2 {{.*}} %V8i16 = trunc
+  ; SSE42: cost of 1 {{.*}} %V8i16 = trunc
+  ; AVX: cost of 1 {{.*}} %V8i16 = trunc
+  %V8i16 = trunc <8 x i16> undef to <8 x i8>
+
+  ; SSE: cost of 3 {{.*}} %V16i16 = trunc
+  ; AVX: cost of 4 {{.*}} %V16i16 = trunc
+  %V16i16 = trunc <16 x i16> undef to <16 x i8>
+
+  ; SSE: cost of 7 {{.*}} %V32i16 = trunc
+  ; AVX: cost of 9 {{.*}} %V32i16 = trunc
+  %V32i16 = trunc <32 x i16> undef to <32 x i8>
+
+  ret i32 undef
+}