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 9 define 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 31 define 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
