| ; 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 ; <i32*> [#uses=2] |
| %xxx = alloca %struct.X ; <%struct.X*> [#uses=6] |
| %0 = alloca i32 ; <i32*> [#uses=2] |
| %"alloca point" = bitcast i32 0 to i32 ; <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 ; <i8*> [#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 ; <i8*> [#uses=1] |
| %5 = load i8, i8* %4, align 1 ; <i8> [#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 ; <i8*> [#uses=1] |
| store i8 %5, i8* %7, align 1 |
| %8 = getelementptr %struct.X, %struct.X* %xxx, i32 0, i32 0 ; <i8*> [#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 ; <i32> [#uses=1] |
| store i32 %9, i32* %0, align 4 |
| %10 = load i32, i32* %0, align 4 ; <i32> [#uses=1] |
| store i32 %10, i32* %retval, align 4 |
| br label %return |
| |
| return: ; preds = %entry |
| %retval1 = load i32, i32* %retval ; <i32> [#uses=1] |
| ret i32 %retval1 |
| } |
| |
| declare i32 @f(%struct.X* byval(%struct.X) align 4, %struct.X* byval(%struct.X) align 4) nounwind ssp |