1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i386-apple-darwin -O0 -regalloc=fast | FileCheck %s 3; rdar://6787136 4 5 %struct.X = type { i8, [32 x i8] } 6@llvm.used = appending global [1 x ptr] [ptr @z], section "llvm.metadata" ; <ptr> [#uses=0] 7 8define i32 @z() nounwind ssp { 9; CHECK-LABEL: z: 10; CHECK: ## %bb.0: ## %entry 11; CHECK-NEXT: pushl %edi 12; CHECK-NEXT: pushl %esi 13; CHECK-NEXT: subl $148, %esp 14; CHECK-NEXT: movl L___stack_chk_guard$non_lazy_ptr, %eax 15; CHECK-NEXT: movl (%eax), %eax 16; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp) 17; CHECK-NEXT: movb $48, {{[0-9]+}}(%esp) 18; CHECK-NEXT: movb {{[0-9]+}}(%esp), %al 19; CHECK-NEXT: movb %al, {{[0-9]+}}(%esp) 20; CHECK-NEXT: movb $15, {{[0-9]+}}(%esp) 21; CHECK-NEXT: movl %esp, %eax 22; CHECK-NEXT: movl $8, %ecx 23; CHECK-NEXT: movl %ecx, {{[-0-9]+}}(%e{{[sb]}}p) ## 4-byte Spill 24; CHECK-NEXT: leal {{[0-9]+}}(%esp), %esi 25; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) ## 4-byte Spill 26; CHECK-NEXT: movl %eax, %edi 27; CHECK-NEXT: rep;movsl (%esi), %es:(%edi) 28; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %esi ## 4-byte Reload 29; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %ecx ## 4-byte Reload 30; CHECK-NEXT: movl %eax, %edi 31; CHECK-NEXT: addl $36, %edi 32; CHECK-NEXT: rep;movsl (%esi), %es:(%edi) 33; CHECK-NEXT: movb {{[0-9]+}}(%esp), %cl 34; CHECK-NEXT: movb %cl, 32(%eax) 35; CHECK-NEXT: movb %cl, 68(%eax) 36; CHECK-NEXT: calll _f 37; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp) 38; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 39; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp) 40; CHECK-NEXT: ## %bb.1: ## %return 41; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 42; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) ## 4-byte Spill 43; CHECK-NEXT: movl L___stack_chk_guard$non_lazy_ptr, %eax 44; CHECK-NEXT: movl (%eax), %eax 45; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx 46; CHECK-NEXT: cmpl %ecx, %eax 47; CHECK-NEXT: jne LBB0_3 48; CHECK-NEXT: ## %bb.2: ## %SP_return 49; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax ## 4-byte Reload 50; CHECK-NEXT: addl $148, %esp 51; CHECK-NEXT: popl %esi 52; CHECK-NEXT: popl %edi 53; CHECK-NEXT: retl 54; CHECK-NEXT: LBB0_3: ## %CallStackCheckFailBlk 55; CHECK-NEXT: calll ___stack_chk_fail 56entry: 57 %retval = alloca i32 ; <ptr> [#uses=2] 58 %xxx = alloca %struct.X ; <ptr> [#uses=6] 59 %0 = alloca i32 ; <ptr> [#uses=2] 60 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] 61 %1 = getelementptr %struct.X, ptr %xxx, i32 0, i32 1 ; <ptr> [#uses=1] 62 %2 = getelementptr [32 x i8], ptr %1, i32 0, i32 31 ; <ptr> [#uses=1] 63 store i8 48, ptr %2, align 1 64 %3 = getelementptr %struct.X, ptr %xxx, i32 0, i32 1 ; <ptr> [#uses=1] 65 %4 = getelementptr [32 x i8], ptr %3, i32 0, i32 31 ; <ptr> [#uses=1] 66 %5 = load i8, ptr %4, align 1 ; <i8> [#uses=1] 67 %6 = getelementptr %struct.X, ptr %xxx, i32 0, i32 1 ; <ptr> [#uses=1] 68 %7 = getelementptr [32 x i8], ptr %6, i32 0, i32 0 ; <ptr> [#uses=1] 69 store i8 %5, ptr %7, align 1 70 %8 = getelementptr %struct.X, ptr %xxx, i32 0, i32 0 ; <ptr> [#uses=1] 71 store i8 15, ptr %8, align 1 72 %9 = call i32 (...) @f(ptr byval(%struct.X) align 4 %xxx, ptr byval(%struct.X) align 4 %xxx) nounwind ; <i32> [#uses=1] 73 store i32 %9, ptr %0, align 4 74 %10 = load i32, ptr %0, align 4 ; <i32> [#uses=1] 75 store i32 %10, ptr %retval, align 4 76 br label %return 77 78return: ; preds = %entry 79 %retval1 = load i32, ptr %retval ; <i32> [#uses=1] 80 ret i32 %retval1 81} 82 83declare i32 @f(ptr byval(%struct.X) align 4, ptr byval(%struct.X) align 4) nounwind ssp 84 85!llvm.module.flags = !{!0} 86!0 = !{i32 7, !"PIC Level", i32 2} 87