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-rw-r--r--llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp10
-rw-r--r--llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp12
2 files changed, 15 insertions, 7 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 7d667b9363e..be3e58e1650 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -1622,13 +1622,15 @@ LegalizerHelper::widenScalar(MachineInstr &MI, unsigned TypeIdx, LLT WideTy) {
case TargetOpcode::G_FPTOSI:
case TargetOpcode::G_FPTOUI:
- if (TypeIdx != 0)
- return UnableToLegalize;
Observer.changingInstr(MI);
- widenScalarDst(MI, WideTy);
+
+ if (TypeIdx == 0)
+ widenScalarDst(MI, WideTy);
+ else
+ widenScalarSrc(MI, WideTy, 1, TargetOpcode::G_FPEXT);
+
Observer.changedInstr(MI);
return Legalized;
-
case TargetOpcode::G_SITOFP:
if (TypeIdx != 1)
return UnableToLegalize;
diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
index 7f71a220f76..beca2ab1389 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.cpp
@@ -423,9 +423,15 @@ AMDGPULegalizerInfo::AMDGPULegalizerInfo(const GCNSubtarget &ST_,
.customFor({{S64, S64}})
.scalarize(0);
- getActionDefinitionsBuilder({G_FPTOSI, G_FPTOUI})
- .legalFor({{S32, S32}, {S32, S64}, {S32, S16}})
- .scalarize(0);
+ auto &FPToI = getActionDefinitionsBuilder({G_FPTOSI, G_FPTOUI})
+ .legalFor({{S32, S32}, {S32, S64}, {S32, S16}});
+ if (ST.has16BitInsts())
+ FPToI.legalFor({{S16, S16}});
+ else
+ FPToI.minScalar(1, S32);
+
+ FPToI.minScalar(0, S32)
+ .scalarize(0);
getActionDefinitionsBuilder(G_INTRINSIC_ROUND)
.legalFor({S32, S64})
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