[llvm] 089c1cc - [AArch64] Add vector compare/select cost-model tests.
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Fri Oct 23 12:47:56 PDT 2020
Author: Florian Hahn
Date: 2020-10-23T20:43:04+01:00
New Revision: 089c1ccd6d26d2cf4067a16dec4c4527c8536039
URL: https://github.com/llvm/llvm-project/commit/089c1ccd6d26d2cf4067a16dec4c4527c8536039
DIFF: https://github.com/llvm/llvm-project/commit/089c1ccd6d26d2cf4067a16dec4c4527c8536039.diff
LOG: [AArch64] Add vector compare/select cost-model tests.
Added:
llvm/test/Analysis/CostModel/AArch64/vector-select.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/Analysis/CostModel/AArch64/vector-select.ll b/llvm/test/Analysis/CostModel/AArch64/vector-select.ll
new file mode 100644
index 0000000000000..76504ff100ea7
--- /dev/null
+++ b/llvm/test/Analysis/CostModel/AArch64/vector-select.ll
@@ -0,0 +1,154 @@
+; RUN: opt < %s -mtriple=aarch64--linux-gnu -cost-model -analyze | FileCheck %s --check-prefix=COST
+; RUN: llc < %s -mtriple=aarch64--linux-gnu | FileCheck %s --check-prefix=CODE
+
+; COST-LABEL: v8i8_select_eq
+; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp eq <8 x i8> %a, %b
+; COST-NEXT: Cost Model: Found an estimated cost of 29 for instruction: %s.1 = select <8 x i1> %cmp.1, <8 x i8> %a, <8 x i8> %c
+
+; CODE-LABEL: v8i8_select_eq
+; CODE: bb.0
+; CODE-NEXT: cmeq v{{.+}}.8b, v{{.+}}.8b, v{{.+}}.8b
+; CODE-NEXT: bif v{{.+}}.8b, v{{.+}}.8b, v{{.+}}.8b
+; CODE-NEXT: ret
+
+define <8 x i8> @v8i8_select_eq(<8 x i8> %a, <8 x i8> %b, <8 x i8> %c) {
+ %cmp.1 = icmp eq <8 x i8> %a, %b
+ %s.1 = select <8 x i1> %cmp.1, <8 x i8> %a, <8 x i8> %c
+ ret <8 x i8> %s.1
+}
+
+; COST-LABEL: v16i8_select_sgt
+; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp sgt <16 x i8> %a, %b
+; COST-NEXT: Cost Model: Found an estimated cost of 61 for instruction: %s.1 = select <16 x i1> %cmp.1, <16 x i8> %a, <16 x i8> %c
+
+; CODE-LABEL: v16i8_select_sgt
+; CODE: bb.0
+; CODE-NEXT: cmgt v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
+; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
+; CODE-NEXT: ret
+
+define <16 x i8> @v16i8_select_sgt(<16 x i8> %a, <16 x i8> %b, <16 x i8> %c) {
+ %cmp.1 = icmp sgt <16 x i8> %a, %b
+ %s.1 = select <16 x i1> %cmp.1, <16 x i8> %a, <16 x i8> %c
+ ret <16 x i8> %s.1
+}
+
+; COST-LABEL: v4i16_select_ne
+; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp ne <4 x i16> %a, %b
+; COST-NEXT: Cost Model: Found an estimated cost of 13 for instruction: %s.1 = select <4 x i1> %cmp.1, <4 x i16> %a, <4 x i16> %c
+
+; CODE-LABEL: v4i16_select_ne
+; CODE: bb.0
+; CODE-NEXT: cmeq v{{.+}}.4h, v{{.+}}.4h, v{{.+}}.4h
+; CODE-NEXT: mvn v{{.+}}.8b, v{{.+}}.8b
+; CODE-NEXT: bif v{{.+}}.8b, v{{.+}}.8b, v{{.+}}.8b
+; CODE-NEXT: ret
+
+define <4 x i16> @v4i16_select_ne(<4 x i16> %a, <4 x i16> %b, <4 x i16> %c) {
+ %cmp.1 = icmp ne <4 x i16> %a, %b
+ %s.1 = select <4 x i1> %cmp.1, <4 x i16> %a, <4 x i16> %c
+ ret <4 x i16> %s.1
+}
+
+; COST-LABEL: v8i16_select_ugt
+; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp ugt <8 x i16> %a, %b
+; COST-NEXT: Cost Model: Found an estimated cost of 29 for instruction: %s.1 = select <8 x i1> %cmp.1, <8 x i16> %a, <8 x i16> %c
+
+; CODE-LABEL: v8i16_select_ugt
+; CODE: bb.0
+; CODE-NEXT: cmhi v{{.+}}.8h, v{{.+}}.8h, v{{.+}}.8h
+; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
+; CODE-NEXT: ret
+
+define <8 x i16> @v8i16_select_ugt(<8 x i16> %a, <8 x i16> %b, <8 x i16> %c) {
+ %cmp.1 = icmp ugt <8 x i16> %a, %b
+ %s.1 = select <8 x i1> %cmp.1, <8 x i16> %a, <8 x i16> %c
+ ret <8 x i16> %s.1
+}
+
+; COST-LABEL: v2i32_select_ule
+; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp ule <2 x i32> %a, %b
+; COST-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %s.1 = select <2 x i1> %cmp.1, <2 x i32> %a, <2 x i32> %c
+
+; CODE-LABEL: v2i32_select_ule
+; CODE: bb.0
+; CODE-NEXT: cmhs v{{.+}}.2s, v{{.+}}.2s, v{{.+}}.2s
+; CODE-NEXT: bif v{{.+}}.8b, v{{.+}}.8b, v{{.+}}.8b
+; CODE-NEXT: ret
+
+define <2 x i32> @v2i32_select_ule(<2 x i32> %a, <2 x i32> %b, <2 x i32> %c) {
+ %cmp.1 = icmp ule <2 x i32> %a, %b
+ %s.1 = select <2 x i1> %cmp.1, <2 x i32> %a, <2 x i32> %c
+ ret <2 x i32> %s.1
+}
+
+; COST-LABEL: v4i32_select_ult
+; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp ult <4 x i32> %a, %b
+; COST-NEXT: Cost Model: Found an estimated cost of 13 for instruction: %s.1 = select <4 x i1> %cmp.1, <4 x i32> %a, <4 x i32> %c
+
+; CODE-LABEL: v4i32_select_ult
+; CODE: bb.0
+; CODE-NEXT: cmhi v{{.+}}.4s, v{{.+}}.4s, v{{.+}}.4s
+; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
+; CODE-NEXT: ret
+
+define <4 x i32> @v4i32_select_ult(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
+ %cmp.1 = icmp ult <4 x i32> %a, %b
+ %s.1 = select <4 x i1> %cmp.1, <4 x i32> %a, <4 x i32> %c
+ ret <4 x i32> %s.1
+}
+
+; COST-LABEL: v2i64_select_sle
+; COST-NEXT: Cost Model: Found an estimated cost of 1 for instruction: %cmp.1 = icmp sle <2 x i64> %a, %b
+; COST-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %s.1 = select <2 x i1> %cmp.1, <2 x i64> %a, <2 x i64> %c
+
+; CODE-LABEL: v2i64_select_sle
+; CODE: bb.0
+; CODE-NEXT: cmge v{{.+}}.2d, v{{.+}}.2d, v{{.+}}.2d
+; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
+; CODE-NEXT: ret
+
+define <2 x i64> @v2i64_select_sle(<2 x i64> %a, <2 x i64> %b, <2 x i64> %c) {
+ %cmp.1 = icmp sle <2 x i64> %a, %b
+ %s.1 = select <2 x i1> %cmp.1, <2 x i64> %a, <2 x i64> %c
+ ret <2 x i64> %s.1
+}
+
+; COST-LABEL: v3i64_select_sle
+; COST-NEXT: Cost Model: Found an estimated cost of 2 for instruction: %cmp.1 = icmp sle <3 x i64> %a, %b
+; COST-NEXT: Cost Model: Found an estimated cost of 6 for instruction: %s.1 = select <3 x i1> %cmp.1, <3 x i64> %a, <3 x i64> %c
+
+; CODE-LABEL: v3i64_select_sle
+; CODE: bb.0
+; CODE: ldr
+; CODE: mov
+; CODE: mov
+; CODE: mov
+; CODE: cmge
+; CODE: cmge
+; CODE: bif
+; CODE: ext
+; CODE: bif
+; CODE: ret
+
+define <3 x i64> @v3i64_select_sle(<3 x i64> %a, <3 x i64> %b, <3 x i64> %c) {
+ %cmp.1 = icmp sle <3 x i64> %a, %b
+ %s.1 = select <3 x i1> %cmp.1, <3 x i64> %a, <3 x i64> %c
+ ret <3 x i64> %s.1
+}
+
+; COST-LABEL: v2i64_select_no_cmp
+; COST-NEXT: Cost Model: Found an estimated cost of 5 for instruction: %s.1 = select <2 x i1> %cond, <2 x i64> %a, <2 x i64> %b
+
+; CODE-LABEL: v2i64_select_no_cmp
+; CODE: bb.0
+; CODE-NEXT: ushll v{{.+}}.2d, v{{.+}}.2s, #0
+; CODE-NEXT: shl v{{.+}}.2d, v{{.+}}.2d, #63
+; CODE-NEXT: sshr v{{.+}}.2d, v{{.+}}.2d, #63
+; CODE-NEXT: bif v{{.+}}.16b, v{{.+}}.16b, v{{.+}}.16b
+; CODE-NEXT: ret
+
+define <2 x i64> @v2i64_select_no_cmp(<2 x i64> %a, <2 x i64> %b, <2 x i1> %cond) {
+ %s.1 = select <2 x i1> %cond, <2 x i64> %a, <2 x i64> %b
+ ret <2 x i64> %s.1
+}
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