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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2019-11-15 11:59:12 +0530 |
|---|---|---|
| committer | Matt Arsenault <arsenm2@gmail.com> | 2019-11-15 13:37:20 +0530 |
| commit | bc276c6379fd0a7bca78d53026e346ea0c8b7cff (patch) | |
| tree | baa2a0b5b58fa129b0c8dde63f4425653f082db8 /llvm/lib/CodeGen/GlobalISel | |
| parent | 39af72378dd0481472e267ed7f15da594de0fee3 (diff) | |
| download | bcm5719-llvm-bc276c6379fd0a7bca78d53026e346ea0c8b7cff.tar.gz bcm5719-llvm-bc276c6379fd0a7bca78d53026e346ea0c8b7cff.zip | |
GlobalISel: Lower s1 source G_SITOFP/G_UITOFP
Diffstat (limited to 'llvm/lib/CodeGen/GlobalISel')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp index a85e04e04a1..d8bcc59c765 100644 --- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp +++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp @@ -3851,6 +3851,14 @@ LegalizerHelper::lowerUITOFP(MachineInstr &MI, unsigned TypeIdx, LLT Ty) { LLT DstTy = MRI.getType(Dst); LLT SrcTy = MRI.getType(Src); + if (SrcTy == LLT::scalar(1)) { + auto True = MIRBuilder.buildFConstant(DstTy, 1.0); + auto False = MIRBuilder.buildFConstant(DstTy, 0.0); + MIRBuilder.buildSelect(Dst, Src, True, False); + MI.eraseFromParent(); + return Legalized; + } + if (SrcTy != LLT::scalar(64)) return UnableToLegalize; @@ -3876,6 +3884,14 @@ LegalizerHelper::lowerSITOFP(MachineInstr &MI, unsigned TypeIdx, LLT Ty) { const LLT S32 = LLT::scalar(32); const LLT S1 = LLT::scalar(1); + if (SrcTy == S1) { + auto True = MIRBuilder.buildFConstant(DstTy, -1.0); + auto False = MIRBuilder.buildFConstant(DstTy, 0.0); + MIRBuilder.buildSelect(Dst, Src, True, False); + MI.eraseFromParent(); + return Legalized; + } + if (SrcTy != S64) return UnableToLegalize; |
