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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py2; RUN: llc < %s -mtriple=i386-apple-darwin -O0 -regalloc=fast | FileCheck %s3; rdar://67871364 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: ## %entry11; CHECK-NEXT: pushl %edi12; CHECK-NEXT: pushl %esi13; CHECK-NEXT: subl $148, %esp14; CHECK-NEXT: movl L___stack_chk_guard$non_lazy_ptr, %eax15; CHECK-NEXT: movl (%eax), %eax16; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp)17; CHECK-NEXT: movb $48, {{[0-9]+}}(%esp)18; CHECK-NEXT: movb {{[0-9]+}}(%esp), %al19; CHECK-NEXT: movb %al, {{[0-9]+}}(%esp)20; CHECK-NEXT: movb $15, {{[0-9]+}}(%esp)21; CHECK-NEXT: movl %esp, %eax22; CHECK-NEXT: movl $8, %ecx23; CHECK-NEXT: movl %ecx, {{[-0-9]+}}(%e{{[sb]}}p) ## 4-byte Spill24; CHECK-NEXT: leal {{[0-9]+}}(%esp), %esi25; CHECK-NEXT: movl %esi, {{[-0-9]+}}(%e{{[sb]}}p) ## 4-byte Spill26; CHECK-NEXT: movl %eax, %edi27; CHECK-NEXT: rep;movsl (%esi), %es:(%edi)28; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %esi ## 4-byte Reload29; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %ecx ## 4-byte Reload30; CHECK-NEXT: movl %eax, %edi31; CHECK-NEXT: addl $36, %edi32; CHECK-NEXT: rep;movsl (%esi), %es:(%edi)33; CHECK-NEXT: movb {{[0-9]+}}(%esp), %cl34; CHECK-NEXT: movb %cl, 32(%eax)35; CHECK-NEXT: movb %cl, 68(%eax)36; CHECK-NEXT: calll _f37; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp)38; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax39; CHECK-NEXT: movl %eax, {{[0-9]+}}(%esp)40; CHECK-NEXT: ## %bb.1: ## %return41; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax42; CHECK-NEXT: movl %eax, {{[-0-9]+}}(%e{{[sb]}}p) ## 4-byte Spill43; CHECK-NEXT: movl L___stack_chk_guard$non_lazy_ptr, %eax44; CHECK-NEXT: movl (%eax), %eax45; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx46; CHECK-NEXT: cmpl %ecx, %eax47; CHECK-NEXT: jne LBB0_348; CHECK-NEXT: ## %bb.2: ## %SP_return49; CHECK-NEXT: movl {{[-0-9]+}}(%e{{[sb]}}p), %eax ## 4-byte Reload50; CHECK-NEXT: addl $148, %esp51; CHECK-NEXT: popl %esi52; CHECK-NEXT: popl %edi53; CHECK-NEXT: retl54; CHECK-NEXT: LBB0_3: ## %CallStackCheckFailBlk55; CHECK-NEXT: calll ___stack_chk_fail56entry: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 164 %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 170 %8 = getelementptr %struct.X, ptr %xxx, i32 0, i32 0 ; <ptr> [#uses=1]71 store i8 15, ptr %8, align 172 %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 474 %10 = load i32, ptr %0, align 4 ; <i32> [#uses=1]75 store i32 %10, ptr %retval, align 476 br label %return77 78return: ; preds = %entry79 %retval1 = load i32, ptr %retval ; <i32> [#uses=1]80 ret i32 %retval181}82 83declare i32 @f(ptr byval(%struct.X) align 4, ptr byval(%struct.X) align 4) nounwind ssp84 85!llvm.module.flags = !{!0}86!0 = !{i32 7, !"PIC Level", i32 2}87