; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i386-apple-darwin -O0 -regalloc=fast | FileCheck %s ; rdar://6787136 %struct.X = type { i8, [32 x i8] } @llvm.used = appending global [1 x i8*] [i8* bitcast (i32 ()* @z to i8*)], section "llvm.metadata" ; <[1 x i8*]*> [#uses=0] define i32 @z() nounwind ssp { ; CHECK-LABEL: z: ; CHECK: ## %bb.0: ## %entry ; CHECK-NEXT: pushl %edi ; CHECK-NEXT: pushl %esi ; CHECK-NEXT: subl $148, %esp ; CHECK-NEXT: movl L___stack_chk_guard$non_lazy_ptr, %eax ; CHECK-NEXT: movl (%eax), %eax ; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp) ; CHECK-NEXT: movb $48, {{[0-9]+}}(%esp) ; CHECK-NEXT: movb {{[0-9]+}}(%esp), %al ; CHECK-NEXT: movb %al, {{[0-9]+}}(%esp) ; CHECK-NEXT: movb $15, {{[0-9]+}}(%esp) ; CHECK-NEXT: movl %esp, %eax ; CHECK-NEXT: movl $8, %ecx ; CHECK-NEXT: movl %ecx, {{[-0-9]+}}(%e{{[sb]}}p) ## 4-byte Spill ; CHECK-NEXT: leal {{[0-9]+}}(%esp), %esi ; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) ## 4-byte Spill ; CHECK-NEXT: movl %eax, %edi ; CHECK-NEXT: rep;movsl (%esi), %es:(%edi) ; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %esi ## 4-byte Reload ; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %ecx ## 4-byte Reload ; CHECK-NEXT: movl %eax, %edi ; CHECK-NEXT: addl $36, %edi ; CHECK-NEXT: rep;movsl (%esi), %es:(%edi) ; CHECK-NEXT: movb {{[0-9]+}}(%esp), %cl ; CHECK-NEXT: movb %cl, 32(%eax) ; CHECK-NEXT: movb %cl, 68(%eax) ; CHECK-NEXT: calll _f ; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp) ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp) ; CHECK-NEXT: ## %bb.1: ## %return ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax ; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) ## 4-byte Spill ; CHECK-NEXT: movl L___stack_chk_guard$non_lazy_ptr, %eax ; CHECK-NEXT: movl (%eax), %eax ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx ; CHECK-NEXT: cmpl %ecx, %eax ; CHECK-NEXT: jne LBB0_3 ; CHECK-NEXT: ## %bb.2: ## %SP_return ; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax ## 4-byte Reload ; CHECK-NEXT: addl $148, %esp ; CHECK-NEXT: popl %esi ; CHECK-NEXT: popl %edi ; CHECK-NEXT: retl ; CHECK-NEXT: LBB0_3: ## %CallStackCheckFailBlk ; CHECK-NEXT: calll ___stack_chk_fail ; CHECK-NEXT: ud2 entry: %retval = alloca i32 ; [#uses=2] %xxx = alloca %struct.X ; <%struct.X*> [#uses=6] %0 = alloca i32 ; [#uses=2] %"alloca point" = bitcast i32 0 to i32 ; [#uses=0] %1 = getelementptr %struct.X, %struct.X* %xxx, i32 0, i32 1 ; <[32 x i8]*> [#uses=1] %2 = getelementptr [32 x i8], [32 x i8]* %1, i32 0, i32 31 ; [#uses=1] store i8 48, i8* %2, align 1 %3 = getelementptr %struct.X, %struct.X* %xxx, i32 0, i32 1 ; <[32 x i8]*> [#uses=1] %4 = getelementptr [32 x i8], [32 x i8]* %3, i32 0, i32 31 ; [#uses=1] %5 = load i8, i8* %4, align 1 ; [#uses=1] %6 = getelementptr %struct.X, %struct.X* %xxx, i32 0, i32 1 ; <[32 x i8]*> [#uses=1] %7 = getelementptr [32 x i8], [32 x i8]* %6, i32 0, i32 0 ; [#uses=1] store i8 %5, i8* %7, align 1 %8 = getelementptr %struct.X, %struct.X* %xxx, i32 0, i32 0 ; [#uses=1] store i8 15, i8* %8, align 1 %9 = call i32 (...) bitcast (i32 (%struct.X*, %struct.X*)* @f to i32 (...)*)(%struct.X* byval(%struct.X) align 4 %xxx, %struct.X* byval(%struct.X) align 4 %xxx) nounwind ; [#uses=1] store i32 %9, i32* %0, align 4 %10 = load i32, i32* %0, align 4 ; [#uses=1] store i32 %10, i32* %retval, align 4 br label %return return: ; preds = %entry %retval1 = load i32, i32* %retval ; [#uses=1] ret i32 %retval1 } declare i32 @f(%struct.X* byval(%struct.X) align 4, %struct.X* byval(%struct.X) align 4) nounwind ssp