derek.holloway
7502bf64a4
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43 lines
1.7 KiB
LLVM
43 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-- -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,SCALAR
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; RUN: llc < %s -mtriple=x86_64-- -mattr=+sse2,+pclmul | FileCheck %s --check-prefixes=CHECK,SSE-PCLMUL
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; RUN: llc < %s -mtriple=x86_64-- -mattr=+sse4.2,+pclmul | FileCheck %s --check-prefixes=CHECK,SSE-PCLMUL
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; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx2,+pclmul | FileCheck %s --check-prefixes=CHECK,AVX
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; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx2,+vpclmulqdq | FileCheck %s --check-prefixes=CHECK,AVX
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; RUN: llc < %s -mtriple=x86_64-- -mattr=+avx512vl,+vpclmulqdq | FileCheck %s --check-prefixes=CHECK,AVX
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; Test with constant 0 - should optimize to just returning 0
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define i32 @clmul_i32_zero(i32 %a) {
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; CHECK-LABEL: clmul_i32_zero:
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; CHECK: # %bb.0:
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; CHECK-NEXT: xorl %eax, %eax
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; CHECK-NEXT: retq
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%res = call i32 @llvm.clmul.i32(i32 %a, i32 0)
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ret i32 %res
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}
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; Test with constant 1 - should optimize to just returning %a
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define i32 @clmul_i32_one(i32 %a) {
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; CHECK-LABEL: clmul_i32_one:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: retq
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%res = call i32 @llvm.clmul.i32(i32 %a, i32 1)
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ret i32 %res
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}
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; Test with power of 2 - should become a shift
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define i32 @clmul_i32_pow2(i32 %a) {
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; CHECK-LABEL: clmul_i32_pow2:
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; CHECK: # %bb.0:
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; CHECK-NEXT: movl %edi, %eax
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; CHECK-NEXT: shll $4, %eax
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; CHECK-NEXT: retq
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%res = call i32 @llvm.clmul.i32(i32 %a, i32 16) ; 0x10 = 1 << 4
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ret i32 %res
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}
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; AVX: {{.*}}
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; SCALAR: {{.*}}
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; SSE-PCLMUL: {{.*}}
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