Index: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp =================================================================== --- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp +++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp @@ -445,9 +445,11 @@ "Failed to tile the value with PartVT!"); if (NumParts == 1) { - if (PartEVT != ValueVT) + if (PartEVT != ValueVT) { diagnosePossiblyInvalidConstraint(*DAG.getContext(), V, "scalar-to-vector conversion failed"); + Val = DAG.getNode(ISD::BITCAST, DL, PartVT, Val); + } Parts[0] = Val; return; Index: llvm/trunk/test/CodeGen/ARM/2012-09-25-InlineAsmScalarToVectorConv2.ll =================================================================== --- llvm/trunk/test/CodeGen/ARM/2012-09-25-InlineAsmScalarToVectorConv2.ll +++ llvm/trunk/test/CodeGen/ARM/2012-09-25-InlineAsmScalarToVectorConv2.ll @@ -1,10 +1,11 @@ -; RUN: not llc -mtriple=arm-eabi -mcpu=cortex-a8 -exit-on-error %s -o - 2>&1 | FileCheck %s +; RUN: not llc -mtriple=arm-eabi -mcpu=cortex-a8 %s -o - 2>&1 | FileCheck %s ; Check for error message: ; CHECK: scalar-to-vector conversion failed, possible invalid constraint for vector type +; CHECK: scalar-to-vector conversion failed, possible invalid constraint for vector type define hidden void @f(i32* %corr, i32 %order) nounwind ssp { - tail call void asm sideeffect "vst1.s32 { ${1:q}, ${2:q} }, [$0]", "r,{q0},{q1}"(i32* %corr, <2 x i64>* undef, <2 x i64>* undef) nounwind, !srcloc !0 + tail call void asm sideeffect "vst1.s32 { ${1:q}, ${2:q} }, [$0]", "r,{q0},{q1}"(i32* %corr, <2 x i64>* undef, i32 %order) nounwind, !srcloc !0 ret void } Index: llvm/trunk/test/CodeGen/PowerPC/inline-asm-scalar-to-vector-error.ll =================================================================== --- llvm/trunk/test/CodeGen/PowerPC/inline-asm-scalar-to-vector-error.ll +++ llvm/trunk/test/CodeGen/PowerPC/inline-asm-scalar-to-vector-error.ll @@ -0,0 +1,14 @@ +; RUN: not llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8a -mattr=+altivec %s -o - 2>&1 | FileCheck %s + +define hidden void @f(i32 %x) { + ; CHECK: scalar-to-vector conversion failed, possible invalid constraint for vector type + tail call void asm sideeffect "nop", "{v1}"(i32 %x) nounwind + + ; CHECK: scalar-to-vector conversion failed, possible invalid constraint for vector type + tail call void asm sideeffect "nop", "{vsl1}"(i32 %x) nounwind + + ; CHECK: scalar-to-vector conversion failed, possible invalid constraint for vector type + tail call void asm sideeffect "nop", "{vsh1}"(i32 %x) nounwind + + ret void +}