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https://github.com/c64scene-ar/llvm-6502.git
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b8f0d89d05
A vector sext + sitofp is a lot cheaper than 8 scalar conversions. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178448 91177308-0d34-0410-b5e6-96231b3b80d8
90 lines
2.1 KiB
LLVM
90 lines
2.1 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7-avx -mattr=+avx | FileCheck %s
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; CHECK: vcvtdq2ps %ymm
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define <8 x float> @sitofp00(<8 x i32> %a) nounwind {
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%b = sitofp <8 x i32> %a to <8 x float>
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ret <8 x float> %b
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}
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; CHECK: vcvttps2dq %ymm
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define <8 x i32> @fptosi00(<8 x float> %a) nounwind {
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%b = fptosi <8 x float> %a to <8 x i32>
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ret <8 x i32> %b
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}
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; CHECK: vcvtdq2pd %xmm
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define <4 x double> @sitofp01(<4 x i32> %a) {
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%b = sitofp <4 x i32> %a to <4 x double>
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ret <4 x double> %b
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}
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; CHECK: vcvtdq2ps %ymm
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define <8 x float> @sitofp02(<8 x i16> %a) {
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%b = sitofp <8 x i16> %a to <8 x float>
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ret <8 x float> %b
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}
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; CHECK: vcvttpd2dqy %ymm
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define <4 x i32> @fptosi01(<4 x double> %a) {
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%b = fptosi <4 x double> %a to <4 x i32>
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ret <4 x i32> %b
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}
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; CHECK: vcvtpd2psy %ymm
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; CHECK-NEXT: vcvtpd2psy %ymm
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; CHECK-NEXT: vinsertf128 $1
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define <8 x float> @fptrunc00(<8 x double> %b) nounwind {
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%a = fptrunc <8 x double> %b to <8 x float>
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ret <8 x float> %a
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}
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; CHECK: vcvtps2pd %xmm
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define <4 x double> @fpext00(<4 x float> %b) nounwind {
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%a = fpext <4 x float> %b to <4 x double>
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ret <4 x double> %a
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}
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; CHECK: vcvtsi2sdq (%
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define double @funcA(i64* nocapture %e) nounwind uwtable readonly ssp {
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entry:
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%tmp1 = load i64* %e, align 8
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%conv = sitofp i64 %tmp1 to double
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ret double %conv
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}
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; CHECK: vcvtsi2sdl (%
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define double @funcB(i32* nocapture %e) nounwind uwtable readonly ssp {
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entry:
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%tmp1 = load i32* %e, align 4
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%conv = sitofp i32 %tmp1 to double
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ret double %conv
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}
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; CHECK: vcvtsi2ssl (%
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define float @funcC(i32* nocapture %e) nounwind uwtable readonly ssp {
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entry:
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%tmp1 = load i32* %e, align 4
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%conv = sitofp i32 %tmp1 to float
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ret float %conv
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}
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; CHECK: vcvtsi2ssq (%
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define float @funcD(i64* nocapture %e) nounwind uwtable readonly ssp {
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entry:
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%tmp1 = load i64* %e, align 8
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%conv = sitofp i64 %tmp1 to float
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ret float %conv
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}
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; CHECK: vcvtss2sd
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define void @fpext() nounwind uwtable {
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entry:
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%f = alloca float, align 4
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%d = alloca double, align 8
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%tmp = load float* %f, align 4
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%conv = fpext float %tmp to double
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store double %conv, double* %d, align 8
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ret void
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}
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