diff --git a/test/CodeGen/X86/2007-05-17-ShuffleISelBug.ll b/test/CodeGen/X86/2007-05-17-ShuffleISelBug.ll new file mode 100644 index 00000000000..33ff755d4ad --- /dev/null +++ b/test/CodeGen/X86/2007-05-17-ShuffleISelBug.ll @@ -0,0 +1,23 @@ +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 +; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 | not grep punpckhwd + +declare <8 x i16> @llvm.x86.sse2.packuswb.128(<8 x i16>, <8 x i16>) + +declare <8 x i16> @llvm.x86.sse2.psrl.w(<8 x i16>, <4 x i32>) + +define fastcc void @test(i32* %src, i32 %sbpr, i32* %dst, i32 %dbpr, i32 %w, i32 %h, i32 %dstalpha, i32 %mask) { + %tmp633 = shufflevector <8 x i16> zeroinitializer, <8 x i16> undef, <8 x i32> < i32 4, i32 4, i32 5, i32 5, i32 6, i32 6, i32 7, i32 7 > + %tmp715 = mul <8 x i16> zeroinitializer, %tmp633 + %tmp776 = bitcast <8 x i16> %tmp715 to <4 x i32> + %tmp777 = add <4 x i32> %tmp776, shufflevector (<4 x i32> < i32 65537, i32 0, i32 0, i32 0 >, <4 x i32> < i32 65537, i32 0, i32 0, i32 0 >, <4 x i32> zeroinitializer) + %tmp805 = add <4 x i32> %tmp777, zeroinitializer + %tmp832 = bitcast <4 x i32> %tmp805 to <8 x i16> + %tmp838 = tail call <8 x i16> @llvm.x86.sse2.psrl.w( <8 x i16> %tmp832, <4 x i32> < i32 8, i32 undef, i32 undef, i32 undef > ) + %tmp1020 = tail call <8 x i16> @llvm.x86.sse2.packuswb.128( <8 x i16> zeroinitializer, <8 x i16> %tmp838 ) + %tmp1030 = bitcast <8 x i16> %tmp1020 to <4 x i32> + %tmp1033 = add <4 x i32> zeroinitializer, %tmp1030 + %tmp1048 = bitcast <4 x i32> %tmp1033 to <2 x i64> + %tmp1049 = or <2 x i64> %tmp1048, zeroinitializer + store <2 x i64> %tmp1049, <2 x i64>* null + ret void +}