diff options
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/pr36068.ll | 18 |
2 files changed, 20 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp b/llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp index 8a5fb9fdaef..3af2ab9cb79 100644 --- a/llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp +++ b/llvm/lib/Target/PowerPC/PPCVSXSwapRemoval.cpp @@ -519,6 +519,8 @@ bool PPCVSXSwapRemoval::gatherVectorInstructions() { // permute control vectors (for shift values 1, 2, 3). However, // VPERM has a more restrictive register class. case PPC::XXSLDWI: + case PPC::XSCVDPSPN: + case PPC::XSCVSPDPN: break; } } diff --git a/llvm/test/CodeGen/PowerPC/pr36068.ll b/llvm/test/CodeGen/PowerPC/pr36068.ll new file mode 100644 index 00000000000..aac659bfb70 --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/pr36068.ll @@ -0,0 +1,18 @@ +; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-unknown < %s | \ +; RUN: FileCheck %s + +@glob = common local_unnamed_addr global <4 x float> zeroinitializer, align 4 + +; Function Attrs: norecurse nounwind +define void @test(float %a, <4 x float>* nocapture readonly %b) { +; CHECK-LABEL: test +; CHECK: xscvdpspn [[REG:[0-9]+]], 1 +; CHECK: xxspltw {{[0-9]+}}, [[REG]], 0 +entry: + %splat.splatinsert = insertelement <4 x float> undef, float %a, i32 0 + %splat.splat = shufflevector <4 x float> %splat.splatinsert, <4 x float> undef, <4 x i32> zeroinitializer + %0 = load <4 x float>, <4 x float>* %b, align 4 + %mul = fmul <4 x float> %splat.splat, %0 + store <4 x float> %mul, <4 x float>* @glob, align 4 + ret void +} |
