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289425eb9f
As noted in the review, there are still problems, so this doesn't the bug completely. Differential Revision: http://reviews.llvm.org/D20529 llvm-svn: 270718
95 lines
3.4 KiB
LLVM
95 lines
3.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s
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; In the following 4 tests, the existing call to VZU/VZA ensures clean state before
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; the call to the unknown, so we don't need to insert a second VZU at that point.
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define <4 x float> @zeroupper_v4f32(<8 x float> *%x, <8 x float> %y) nounwind {
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; CHECK-LABEL: zeroupper_v4f32:
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; CHECK: # BB#0:
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: subq $48, %rsp
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; CHECK-NEXT: vmovups %ymm0, (%rsp) # 32-byte Spill
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; CHECK-NEXT: movq %rdi, %rbx
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; CHECK-NEXT: vzeroupper
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; CHECK-NEXT: callq the_unknown
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; CHECK-NEXT: vmovups (%rsp), %ymm0 # 32-byte Reload
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; CHECK-NEXT: vaddps (%rbx), %ymm0, %ymm0
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; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1
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; CHECK-NEXT: vaddps %xmm1, %xmm0, %xmm0
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; CHECK-NEXT: addq $48, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: vzeroupper
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; CHECK-NEXT: retq
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call void @llvm.x86.avx.vzeroupper()
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call void @the_unknown()
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%loadx = load <8 x float>, <8 x float> *%x, align 32
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%sum = fadd <8 x float> %loadx, %y
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%lo = shufflevector <8 x float> %sum, <8 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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%hi = shufflevector <8 x float> %sum, <8 x float> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
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%res = fadd <4 x float> %lo, %hi
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ret <4 x float> %res
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}
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define <8 x float> @zeroupper_v8f32(<8 x float> %x) nounwind {
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; CHECK-LABEL: zeroupper_v8f32:
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; CHECK: # BB#0:
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; CHECK-NEXT: subq $56, %rsp
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; CHECK-NEXT: vmovups %ymm0, (%rsp) # 32-byte Spill
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; CHECK-NEXT: vzeroupper
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; CHECK-NEXT: callq the_unknown
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; CHECK-NEXT: vmovups (%rsp), %ymm0 # 32-byte Reload
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; CHECK-NEXT: addq $56, %rsp
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; CHECK-NEXT: retq
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call void @llvm.x86.avx.vzeroupper()
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call void @the_unknown()
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ret <8 x float> %x
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}
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define <4 x float> @zeroall_v4f32(<8 x float> *%x, <8 x float> %y) nounwind {
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; CHECK-LABEL: zeroall_v4f32:
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; CHECK: # BB#0:
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: subq $48, %rsp
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; CHECK-NEXT: vmovups %ymm0, (%rsp) # 32-byte Spill
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; CHECK-NEXT: movq %rdi, %rbx
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; CHECK-NEXT: vzeroall
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; CHECK-NEXT: callq the_unknown
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; CHECK-NEXT: vmovups (%rsp), %ymm0 # 32-byte Reload
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; CHECK-NEXT: vaddps (%rbx), %ymm0, %ymm0
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; CHECK-NEXT: vextractf128 $1, %ymm0, %xmm1
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; CHECK-NEXT: vaddps %xmm1, %xmm0, %xmm0
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; CHECK-NEXT: addq $48, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: vzeroupper
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; CHECK-NEXT: retq
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call void @llvm.x86.avx.vzeroall()
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call void @the_unknown()
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%loadx = load <8 x float>, <8 x float> *%x, align 32
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%sum = fadd <8 x float> %loadx, %y
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%lo = shufflevector <8 x float> %sum, <8 x float> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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%hi = shufflevector <8 x float> %sum, <8 x float> undef, <4 x i32> <i32 4, i32 5, i32 6, i32 7>
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%res = fadd <4 x float> %lo, %hi
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ret <4 x float> %res
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}
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define <8 x float> @zeroall_v8f32(<8 x float> %x) nounwind {
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; CHECK-LABEL: zeroall_v8f32:
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; CHECK: # BB#0:
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; CHECK-NEXT: subq $56, %rsp
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; CHECK-NEXT: vmovups %ymm0, (%rsp) # 32-byte Spill
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; CHECK-NEXT: vzeroall
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; CHECK-NEXT: callq the_unknown
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; CHECK-NEXT: vmovups (%rsp), %ymm0 # 32-byte Reload
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; CHECK-NEXT: addq $56, %rsp
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; CHECK-NEXT: retq
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call void @llvm.x86.avx.vzeroall()
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call void @the_unknown()
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ret <8 x float> %x
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}
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declare void @llvm.x86.avx.vzeroupper() nounwind readnone
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declare void @llvm.x86.avx.vzeroall() nounwind readnone
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declare void @the_unknown() nounwind
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