diff options
Diffstat (limited to 'test/CodeGen/Mips/msa/llvm-stress-s2501752154-simplified.ll')
| -rw-r--r-- | test/CodeGen/Mips/msa/llvm-stress-s2501752154-simplified.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/msa/llvm-stress-s2501752154-simplified.ll b/test/CodeGen/Mips/msa/llvm-stress-s2501752154-simplified.ll new file mode 100644 index 0000000..564ad74 --- /dev/null +++ b/test/CodeGen/Mips/msa/llvm-stress-s2501752154-simplified.ll @@ -0,0 +1,27 @@ +; RUN: llc -march=mips < %s +; RUN: llc -march=mips -mattr=+msa,+fp64 < %s +; RUN: llc -march=mipsel < %s +; RUN: llc -march=mipsel -mattr=+msa,+fp64 < %s + +; This test originally failed for MSA with a "Cannot select ..." error. +; This happened because the legalizer treated undef's in the <4 x float> +; constant as equivalent to the defined elements when checking if it a constant +; splat, but then proceeded to legalize the undef's to zero, leaving it as a +; non-splat that cannot be selected. It should have eliminated the undef's by +; rewriting the splat constant. + +; It should at least successfully build. + +define void @autogen_SD2501752154() { +BB: + %BC = bitcast <4 x i32> <i32 -1, i32 -1, i32 undef, i32 undef> to <4 x float> + br label %CF74 + +CF74: ; preds = %CF74, %CF + %E54 = extractelement <1 x i1> undef, i32 0 + br i1 %E54, label %CF74, label %CF79 + +CF79: ; preds = %CF75 + %I63 = insertelement <4 x float> %BC, float undef, i32 0 + ret void +} |