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126 lines
4.3 KiB
LLVM
126 lines
4.3 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-macosx -mattr=+sse2 -mcpu=nehalem | FileCheck %s
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; rdar: 12558838
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; PR14221
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; There is a mismatch between the intrinsic and the actual instruction.
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; The actual instruction has a partial update of dest, while the intrinsic
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; passes through the upper FP values. Here, we make sure the source and
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; destination of each scalar unary op are the same.
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define void @rsqrtss(<4 x float> %a) nounwind uwtable ssp {
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entry:
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; CHECK-LABEL: rsqrtss:
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; CHECK: rsqrtss %xmm0, %xmm0
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; CHECK-NEXT: cvtss2sd %xmm0
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; CHECK-NEXT: movshdup
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; CHECK-NEXT: cvtss2sd %xmm0
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; CHECK-NEXT: movap
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; CHECK-NEXT: jmp
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%0 = tail call <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float> %a) nounwind
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%a.addr.0.extract = extractelement <4 x float> %0, i32 0
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%conv = fpext float %a.addr.0.extract to double
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%a.addr.4.extract = extractelement <4 x float> %0, i32 1
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%conv3 = fpext float %a.addr.4.extract to double
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tail call void @callee(double %conv, double %conv3) nounwind
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ret void
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}
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declare void @callee(double, double)
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declare <4 x float> @llvm.x86.sse.rsqrt.ss(<4 x float>) nounwind readnone
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define void @rcpss(<4 x float> %a) nounwind uwtable ssp {
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entry:
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; CHECK-LABEL: rcpss:
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; CHECK: rcpss %xmm0, %xmm0
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; CHECK-NEXT: cvtss2sd %xmm0
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; CHECK-NEXT: movshdup
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; CHECK-NEXT: cvtss2sd %xmm0
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; CHECK-NEXT: movap
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; CHECK-NEXT: jmp
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%0 = tail call <4 x float> @llvm.x86.sse.rcp.ss(<4 x float> %a) nounwind
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%a.addr.0.extract = extractelement <4 x float> %0, i32 0
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%conv = fpext float %a.addr.0.extract to double
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%a.addr.4.extract = extractelement <4 x float> %0, i32 1
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%conv3 = fpext float %a.addr.4.extract to double
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tail call void @callee(double %conv, double %conv3) nounwind
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ret void
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}
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declare <4 x float> @llvm.x86.sse.rcp.ss(<4 x float>) nounwind readnone
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define void @sqrtss(<4 x float> %a) nounwind uwtable ssp {
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entry:
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; CHECK-LABEL: sqrtss:
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; CHECK: sqrtss %xmm0, %xmm0
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; CHECK-NEXT: cvtss2sd %xmm0
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; CHECK-NEXT: movshdup
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; CHECK-NEXT: cvtss2sd %xmm0
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; CHECK-NEXT: movap
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; CHECK-NEXT: jmp
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%0 = tail call <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float> %a) nounwind
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%a.addr.0.extract = extractelement <4 x float> %0, i32 0
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%conv = fpext float %a.addr.0.extract to double
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%a.addr.4.extract = extractelement <4 x float> %0, i32 1
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%conv3 = fpext float %a.addr.4.extract to double
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tail call void @callee(double %conv, double %conv3) nounwind
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ret void
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}
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declare <4 x float> @llvm.x86.sse.sqrt.ss(<4 x float>) nounwind readnone
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define void @sqrtsd(<2 x double> %a) nounwind uwtable ssp {
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entry:
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; CHECK-LABEL: sqrtsd:
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; CHECK: sqrtsd %xmm0, %xmm0
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; CHECK-NEXT: cvtsd2ss %xmm0
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; CHECK-NEXT: shufpd
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; CHECK-NEXT: cvtsd2ss %xmm0
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; CHECK-NEXT: movap
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; CHECK-NEXT: jmp
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%0 = tail call <2 x double> @llvm.x86.sse2.sqrt.sd(<2 x double> %a) nounwind
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%a0 = extractelement <2 x double> %0, i32 0
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%conv = fptrunc double %a0 to float
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%a1 = extractelement <2 x double> %0, i32 1
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%conv3 = fptrunc double %a1 to float
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tail call void @callee2(float %conv, float %conv3) nounwind
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ret void
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}
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declare void @callee2(float, float)
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declare <2 x double> @llvm.x86.sse2.sqrt.sd(<2 x double>) nounwind readnone
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define <2 x double> @load_fold_cvtss2sd_int(<4 x float> *%a) {
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; CHECK-LABEL: load_fold_cvtss2sd_int:
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; CHECK: movaps (%rdi), %xmm1
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; CHECK-NEXT: xorps %xmm0, %xmm0
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; CHECK-NEXT: cvtss2sd %xmm1, %xmm0
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; CHECK-NEXT: retq
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%ld = load <4 x float>, <4 x float> *%a
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%x = call <2 x double> @llvm.x86.sse2.cvtss2sd(<2 x double> <double 0x0, double 0x0>, <4 x float> %ld)
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ret <2 x double> %x
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}
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define <2 x double> @load_fold_cvtss2sd_int_optsize(<4 x float> *%a) optsize {
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; CHECK-LABEL: load_fold_cvtss2sd_int_optsize:
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; CHECK: xorps %xmm0, %xmm0
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; CHECK-NEXT: cvtss2sd (%rdi), %xmm0
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; CHECK-NEXT: retq
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%ld = load <4 x float>, <4 x float> *%a
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%x = call <2 x double> @llvm.x86.sse2.cvtss2sd(<2 x double> <double 0x0, double 0x0>, <4 x float> %ld)
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ret <2 x double> %x
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}
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define <2 x double> @load_fold_cvtss2sd_int_minsize(<4 x float> *%a) minsize {
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; CHECK-LABEL: load_fold_cvtss2sd_int_minsize:
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; CHECK: xorps %xmm0, %xmm0
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; CHECK-NEXT: cvtss2sd (%rdi), %xmm0
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; CHECK-NEXT: retq
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%ld = load <4 x float>, <4 x float> *%a
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%x = call <2 x double> @llvm.x86.sse2.cvtss2sd(<2 x double> <double 0x0, double 0x0>, <4 x float> %ld)
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ret <2 x double> %x
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}
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declare <2 x double> @llvm.x86.sse2.cvtss2sd(<2 x double>, <4 x float>) nounwind readnone
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