; RUN: llc < %s -march=x86 -mtriple=i386-apple-darwin9 -regalloc=fast | FileCheck %s ; RUN: llc -O0 < %s -march=x86 -mtriple=i386-apple-darwin9 -regalloc=fast | FileCheck %s ; CHECKed instructions should be the same with or without -O0. @.str = private constant [12 x i8] c"x + y = %i\0A\00", align 1 ; <[12 x i8]*> [#uses=1] define i32 @main() nounwind { entry: ; CHECK: movl 24(%esp), %eax ; CHECK-NOT: movl ; CHECK: movl %eax, 36(%esp) ; CHECK-NOT: movl ; CHECK: movl 28(%esp), %ebx ; CHECK-NOT: movl ; CHECK: movl %ebx, 40(%esp) ; CHECK-NOT: movl ; CHECK: addl %ebx, %eax %retval = alloca i32 ; <i32*> [#uses=2] %"%ebx" = alloca i32 ; <i32*> [#uses=1] %"%eax" = alloca i32 ; <i32*> [#uses=2] %result = alloca i32 ; <i32*> [#uses=2] %y = alloca i32 ; <i32*> [#uses=2] %x = alloca i32 ; <i32*> [#uses=2] %0 = alloca i32 ; <i32*> [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] store i32 1, i32* %x, align 4 store i32 2, i32* %y, align 4 call void asm sideeffect alignstack "# top of block", "~{dirflag},~{fpsr},~{flags},~{edi},~{esi},~{edx},~{ecx},~{eax}"() nounwind %asmtmp = call i32 asm sideeffect alignstack "movl $1, $0", "=={eax},*m,~{dirflag},~{fpsr},~{flags},~{memory}"(i32* %x) nounwind ; <i32> [#uses=1] store i32 %asmtmp, i32* %"%eax" %asmtmp1 = call i32 asm sideeffect alignstack "movl $1, $0", "=={ebx},*m,~{dirflag},~{fpsr},~{flags},~{memory}"(i32* %y) nounwind ; <i32> [#uses=1] store i32 %asmtmp1, i32* %"%ebx" %1 = call i32 asm "", "={bx}"() nounwind ; <i32> [#uses=1] %2 = call i32 asm "", "={ax}"() nounwind ; <i32> [#uses=1] %asmtmp2 = call i32 asm sideeffect alignstack "addl $1, $0", "=={eax},{ebx},{eax},~{dirflag},~{fpsr},~{flags},~{memory}"(i32 %1, i32 %2) nounwind ; <i32> [#uses=1] store i32 %asmtmp2, i32* %"%eax" %3 = call i32 asm "", "={ax}"() nounwind ; <i32> [#uses=1] call void asm sideeffect alignstack "movl $0, $1", "{eax},*m,~{dirflag},~{fpsr},~{flags},~{memory}"(i32 %3, i32* %result) nounwind %4 = load i32* %result, align 4 ; <i32> [#uses=1] %5 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([12 x i8]* @.str, i32 0, i32 0), i32 %4) nounwind ; <i32> [#uses=0] store i32 0, i32* %0, align 4 %6 = load i32* %0, align 4 ; <i32> [#uses=1] store i32 %6, i32* %retval, align 4 br label %return return: ; preds = %entry %retval3 = load i32* %retval ; <i32> [#uses=1] ret i32 %retval3 } declare i32 @printf(i8*, ...) nounwind