xref: /llvm-project/llvm/test/CodeGen/AArch64/pr55178.ll (revision e6b85c30276d8e35ed302b2defd7d17637d6edb3)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=aarch64-unknown-linux-gnu | FileCheck %s
3
4; This used to generate incorrect code because we sign extended
5; the undef to undef instead of to 0.
6
7define i1 @test14(i8 %X) {
8; CHECK-LABEL: test14:
9; CHECK:       // %bb.0:
10; CHECK-NEXT:    mov w0, wzr
11; CHECK-NEXT:    ret
12  %1 = shl i8 -113, %X
13  %cmp = icmp slt i8 undef, %1
14  ret i1 %cmp
15}
16