xref: /llvm-project/llvm/test/CodeGen/X86/pr46585.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck %s
3
4@global = external local_unnamed_addr global i8
5@global.1 = external local_unnamed_addr global i64
6
7define void @spam() local_unnamed_addr {
8; CHECK-LABEL: spam:
9; CHECK:       ## %bb.0: ## %bb
10; CHECK-NEXT:    xorl %eax, %eax
11; CHECK-NEXT:    testb %al, %al
12; CHECK-NEXT:    je LBB0_2
13; CHECK-NEXT:  ## %bb.1: ## %bb9
14; CHECK-NEXT:    movq _global.1@GOTPCREL(%rip), %rax
15; CHECK-NEXT:    movq $1, (%rax)
16; CHECK-NEXT:  LBB0_2: ## %bb8
17; CHECK-NEXT:    retq
18bb:
19  %tmp = load i8, ptr @global, align 1
20  %tmp1 = and i8 %tmp, 1
21  %tmp2 = insertelement <8 x i8> undef, i8 %tmp1, i32 0
22  %tmp3 = ashr <8 x i8> %tmp2, <i8 7, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>
23  %tmp4 = shufflevector <8 x i8> %tmp3, <8 x i8> undef, <8 x i32> zeroinitializer
24  %tmp5 = icmp slt <8 x i8> %tmp4, zeroinitializer
25  %tmp6 = bitcast <8 x i1> %tmp5 to i8
26  %tmp7 = icmp eq i8 %tmp6, 0
27  br i1 %tmp7, label %bb8, label %bb9
28
29bb8:                                              ; preds = %bb9, %bb
30  ret void
31
32bb9:                                              ; preds = %bb
33  store i64 1, ptr @global.1, align 8
34  br label %bb8
35}
36