xref: /llvm-project/llvm/test/CodeGen/X86/fast-isel-load-bitcast-fold.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -O0 -mtriple=x86_64-- -verify-machineinstrs < %s | FileCheck %s
3
4define void @repro(ptr %a0, i1 %a1) nounwind {
5; CHECK-LABEL: repro:
6; CHECK:       # %bb.0:
7; CHECK-NEXT:    subq $24, %rsp
8; CHECK-NEXT:    movb %sil, %al
9; CHECK-NEXT:    movb %al, {{[-0-9]+}}(%r{{[sb]}}p) # 1-byte Spill
10; CHECK-NEXT:    movq (%rdi), %rax
11; CHECK-NEXT:    movq %rax, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
12; CHECK-NEXT:    callq *%rax
13; CHECK-NEXT:    movb {{[-0-9]+}}(%r{{[sb]}}p), %al # 1-byte Reload
14; CHECK-NEXT:    testb $1, %al
15; CHECK-NEXT:    jne .LBB0_1
16; CHECK-NEXT:    jmp .LBB0_2
17; CHECK-NEXT:  .LBB0_1: # %bb1
18; CHECK-NEXT:    movq {{[-0-9]+}}(%r{{[sb]}}p), %rax # 8-byte Reload
19; CHECK-NEXT:    callq *%rax
20; CHECK-NEXT:    addq $24, %rsp
21; CHECK-NEXT:    retq
22; CHECK-NEXT:  .LBB0_2: # %bb2
23; CHECK-NEXT:    addq $24, %rsp
24; CHECK-NEXT:    retq
25  %tmp0 = load ptr, ptr %a0
26  call void %tmp0()
27  br i1 %a1, label %bb1, label %bb2
28
29bb1:
30  call void %tmp0()
31  ret void
32
33bb2:
34  ret void
35}
36