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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86
3; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64
4
5@a = external global i32
6@b = external global i32
7@c = external global i32
8
9define i32 @fn1(i32, i32) {
10; X86-LABEL: fn1:
11; X86:       # %bb.0:
12; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
13; X86-NEXT:    testl %eax, %eax
14; X86-NEXT:    je .LBB0_2
15; X86-NEXT:  # %bb.1:
16; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
17; X86-NEXT:  .LBB0_2:
18; X86-NEXT:    retl
19;
20; X64-LABEL: fn1:
21; X64:       # %bb.0:
22; X64-NEXT:    testl %esi, %esi
23; X64-NEXT:    cmovel %esi, %edi
24; X64-NEXT:    movl %edi, %eax
25; X64-NEXT:    retq
26  %3 = icmp ne i32 %1, 0
27  %4 = select i1 %3, i32 %0, i32 0
28  ret i32 %4
29}
30
31define void @fn2() {
32; X86-LABEL: fn2:
33; X86:       # %bb.0:
34; X86-NEXT:    movl b, %eax
35; X86-NEXT:    decl a
36; X86-NEXT:    jne .LBB1_2
37; X86-NEXT:  # %bb.1:
38; X86-NEXT:    xorl %eax, %eax
39; X86-NEXT:  .LBB1_2:
40; X86-NEXT:    movl %eax, c
41; X86-NEXT:    retl
42;
43; X64-LABEL: fn2:
44; X64:       # %bb.0:
45; X64-NEXT:    xorl %eax, %eax
46; X64-NEXT:    decl {{.*}}(%rip)
47; X64-NEXT:    je .LBB1_2
48; X64-NEXT:  # %bb.1:
49; X64-NEXT:    movl {{.*}}(%rip), %eax
50; X64-NEXT:  .LBB1_2:
51; X64-NEXT:    movl %eax, {{.*}}(%rip)
52; X64-NEXT:    retq
53  %1 = load volatile i32, i32* @b, align 4
54  %2 = load i32, i32* @a, align 4
55  %3 = add nsw i32 %2, -1
56  store i32 %3, i32* @a, align 4
57  %4 = icmp ne i32 %3, 0
58  %5 = select i1 %4, i32 %1, i32 0
59  store i32 %5, i32* @c, align 4
60  ret void
61}
62
63