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They are replaced with the same IR that is generated for the vector-initializers in avxintrin.h. The test verifies that we get back the original instruction. I haven't seen this approach to be used in other auto-upgrade tests (i.e. llc + FileCheck) but I think it's the most direct way to test this case. I believe this should work because llc upgrades calls during parsing. (Other tests mostly check that assembling and disassembling yields the upgraded IR.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@209863 91177308-0d34-0410-b5e6-96231b3b80d8
42 lines
1.3 KiB
LLVM
42 lines
1.3 KiB
LLVM
; RUN: llc -mattr=+avx < %s | FileCheck %s
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; Check that we properly upgrade the AVX vbroadcast intrinsics to IR. The
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; expectation is that we should still get the original instruction back that
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; maps to the intrinsic.
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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; CHECK-LABEL: test_mm_broadcast_ss:
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define <4 x float> @test_mm_broadcast_ss(float* readonly %__a){
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entry:
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%0 = bitcast float* %__a to i8*
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; CHECK: vbroadcastss (%{{.*}}), %xmm
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%1 = tail call <4 x float> @llvm.x86.avx.vbroadcast.ss(i8* %0)
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ret <4 x float> %1
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}
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; CHECK-LABEL: test_mm256_broadcast_sd:
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define <4 x double> @test_mm256_broadcast_sd(double* readonly %__a) {
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entry:
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%0 = bitcast double* %__a to i8*
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; CHECK: vbroadcastsd (%{{.*}}), %ymm
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%1 = tail call <4 x double> @llvm.x86.avx.vbroadcast.sd.256(i8* %0)
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ret <4 x double> %1
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}
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; CHECK-LABEL: test_mm256_broadcast_ss:
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define <8 x float> @test_mm256_broadcast_ss(float* readonly %__a) {
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entry:
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%0 = bitcast float* %__a to i8*
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; CHECK: vbroadcastss (%{{.*}}), %ymm
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%1 = tail call <8 x float> @llvm.x86.avx.vbroadcast.ss.256(i8* %0)
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ret <8 x float> %1
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}
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declare <8 x float> @llvm.x86.avx.vbroadcast.ss.256(i8*)
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declare <4 x double> @llvm.x86.avx.vbroadcast.sd.256(i8*)
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declare <4 x float> @llvm.x86.avx.vbroadcast.ss(i8*)
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