; 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 ptr] [ptr @z], section "llvm.metadata" ; <ptr> [#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
entry:
%retval = alloca i32 ; <ptr> [#uses=2]
%xxx = alloca %struct.X ; <ptr> [#uses=6]
%0 = alloca i32 ; <ptr> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%1 = getelementptr %struct.X, ptr %xxx, i32 0, i32 1 ; <ptr> [#uses=1]
%2 = getelementptr [32 x i8], ptr %1, i32 0, i32 31 ; <ptr> [#uses=1]
store i8 48, ptr %2, align 1
%3 = getelementptr %struct.X, ptr %xxx, i32 0, i32 1 ; <ptr> [#uses=1]
%4 = getelementptr [32 x i8], ptr %3, i32 0, i32 31 ; <ptr> [#uses=1]
%5 = load i8, ptr %4, align 1 ; <i8> [#uses=1]
%6 = getelementptr %struct.X, ptr %xxx, i32 0, i32 1 ; <ptr> [#uses=1]
%7 = getelementptr [32 x i8], ptr %6, i32 0, i32 0 ; <ptr> [#uses=1]
store i8 %5, ptr %7, align 1
%8 = getelementptr %struct.X, ptr %xxx, i32 0, i32 0 ; <ptr> [#uses=1]
store i8 15, ptr %8, align 1
%9 = call i32 (...) @f(ptr byval(%struct.X) align 4 %xxx, ptr byval(%struct.X) align 4 %xxx) nounwind ; <i32> [#uses=1]
store i32 %9, ptr %0, align 4
%10 = load i32, ptr %0, align 4 ; <i32> [#uses=1]
store i32 %10, ptr %retval, align 4
br label %return
return: ; preds = %entry
%retval1 = load i32, ptr %retval ; <i32> [#uses=1]
ret i32 %retval1
}
declare i32 @f(ptr byval(%struct.X) align 4, ptr byval(%struct.X) align 4) nounwind ssp
!llvm.module.flags = !{!0}
!0 = !{i32 7, !"PIC Level", i32 2}
Codebase Browser
llvm