xref: /llvm-project/llvm/test/CodeGen/AArch64/pr59891-dagcombine-deleted-freeze.ll (revision 95414345d54ea714aceafb125541555ece31e876)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=aarch64 | FileCheck %s
3
4; Freezing operand of an operation that is being freezed
5; may invalidate the whole SDValue we were trying to originally freeze.
6define i8 @pr59891(i64 %0) {
7; CHECK-LABEL: pr59891:
8; CHECK:       // %bb.0:
9; CHECK-NEXT:    mov w0, wzr
10; CHECK-NEXT:    ret
11  %2 = freeze i64 %0
12  %3 = trunc i64 %2 to i1
13  %4 = trunc i64 %0 to i1
14  %5 = xor i1 %3, %4
15  %6 = freeze i1 %5
16  %7 = zext i1 %6 to i8
17  ret i8 %7
18}
19