llvm-project/llvm/test/CodeGen/AMDGPU/subreg-eliminate-dead.ll

20 lines
678 B
LLVM

; 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 amdgpu_kernel 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)