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Diffstat (limited to 'test/CodeGen/AMDGPU/subreg-eliminate-dead.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/subreg-eliminate-dead.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/subreg-eliminate-dead.ll b/test/CodeGen/AMDGPU/subreg-eliminate-dead.ll new file mode 100644 index 000000000000..8bd995a8ecbb --- /dev/null +++ b/test/CodeGen/AMDGPU/subreg-eliminate-dead.ll @@ -0,0 +1,19 @@ +; RUN: llc -mtriple=amdgcn-- -verify-machineinstrs -o - %s | FileCheck %s +; LiveRangeEdit::eliminateDeadDef did not update LiveInterval sub ranges +; properly. + +; Just make sure this test doesn't crash. +; CHECK-LABEL: foobar: +; CHECK: s_endpgm +define void @foobar() { + %v0 = icmp eq <4 x i32> undef, <i32 0, i32 1, i32 2, i32 3> + %v3 = sext <4 x i1> %v0 to <4 x i32> + %v4 = extractelement <4 x i32> %v3, i32 1 + %v5 = icmp ne i32 %v4, 0 + %v6 = select i1 %v5, i32 undef, i32 0 + %v15 = insertelement <2 x i32> undef, i32 %v6, i32 1 + store <2 x i32> %v15, <2 x i32> addrspace(1)* undef, align 8 + ret void +} + +declare double @llvm.fma.f64(double, double, double) |