; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s --check-prefix=X64 @a = external dso_local global i32 @b = external dso_local global i32 @c = external dso_local global i32 define i32 @fn1(i32, i32) { ; X86-LABEL: fn1: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: testl %eax, %eax ; X86-NEXT: je .LBB0_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: .LBB0_2: ; X86-NEXT: retl ; ; X64-LABEL: fn1: ; X64: # %bb.0: ; X64-NEXT: movl %edi, %eax ; X64-NEXT: testl %esi, %esi ; X64-NEXT: cmovel %esi, %eax ; X64-NEXT: retq %3 = icmp ne i32 %1, 0 %4 = select i1 %3, i32 %0, i32 0 ret i32 %4 } define void @fn2() { ; X86-LABEL: fn2: ; X86: # %bb.0: ; X86-NEXT: movl b, %eax ; X86-NEXT: decl a ; X86-NEXT: jne .LBB1_2 ; X86-NEXT: # %bb.1: ; X86-NEXT: xorl %eax, %eax ; X86-NEXT: .LBB1_2: ; X86-NEXT: movl %eax, c ; X86-NEXT: retl ; ; X64-LABEL: fn2: ; X64: # %bb.0: ; X64-NEXT: xorl %eax, %eax ; X64-NEXT: decl a(%rip) ; X64-NEXT: je .LBB1_2 ; X64-NEXT: # %bb.1: ; X64-NEXT: movl b(%rip), %eax ; X64-NEXT: .LBB1_2: ; X64-NEXT: movl %eax, c(%rip) ; X64-NEXT: retq %1 = load volatile i32, ptr @b, align 4 %2 = load i32, ptr @a, align 4 %3 = add nsw i32 %2, -1 store i32 %3, ptr @a, align 4 %4 = icmp ne i32 %3, 0 %5 = select i1 %4, i32 %1, i32 0 store i32 %5, ptr @c, align 4 ret void }