70 lines
2.4 KiB
LLVM
70 lines
2.4 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
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; RUN: llc -mtriple=aarch64-apple-darwin < %s -o - | FileCheck %s
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@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
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; Check we use the GOT to reference ___stack_chk_guard on Darwin
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define void @test(ptr %a) #0 {
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; CHECK-LABEL: test:
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; CHECK: ; %bb.0: ; %entry
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; CHECK-NEXT: sub sp, sp, #80
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; CHECK-NEXT: stp x20, x19, [sp, #48] ; 16-byte Folded Spill
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; CHECK-NEXT: stp x29, x30, [sp, #64] ; 16-byte Folded Spill
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; CHECK-NEXT: .cfi_def_cfa_offset 80
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; CHECK-NEXT: .cfi_offset w30, -8
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; CHECK-NEXT: .cfi_offset w29, -16
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; CHECK-NEXT: .cfi_offset w19, -24
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; CHECK-NEXT: .cfi_offset w20, -32
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; CHECK-NEXT: Lloh0:
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; CHECK-NEXT: adrp x8, ___stack_chk_guard@GOTPAGE
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; CHECK-NEXT: mov x1, x0
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; CHECK-NEXT: add x19, sp, #16
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; CHECK-NEXT: Lloh1:
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; CHECK-NEXT: ldr x8, [x8, ___stack_chk_guard@GOTPAGEOFF]
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; CHECK-NEXT: Lloh2:
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; CHECK-NEXT: ldr x8, [x8]
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; CHECK-NEXT: str x8, [sp, #40]
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; CHECK-NEXT: str x0, [sp, #8]
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; CHECK-NEXT: add x0, sp, #16
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; CHECK-NEXT: bl _strcpy
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; CHECK-NEXT: Lloh3:
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; CHECK-NEXT: adrp x0, l_.str@PAGE
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; CHECK-NEXT: Lloh4:
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; CHECK-NEXT: add x0, x0, l_.str@PAGEOFF
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; CHECK-NEXT: str x19, [sp]
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; CHECK-NEXT: bl _printf
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; CHECK-NEXT: Lloh5:
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; CHECK-NEXT: adrp x8, ___stack_chk_guard@GOTPAGE
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; CHECK-NEXT: Lloh6:
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; CHECK-NEXT: ldr x8, [x8, ___stack_chk_guard@GOTPAGEOFF]
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; CHECK-NEXT: ldr x9, [sp, #40]
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; CHECK-NEXT: Lloh7:
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; CHECK-NEXT: ldr x8, [x8]
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; CHECK-NEXT: cmp x8, x9
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; CHECK-NEXT: b.ne LBB0_2
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; CHECK-NEXT: ; %bb.1: ; %entry
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; CHECK-NEXT: ldp x29, x30, [sp, #64] ; 16-byte Folded Reload
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; CHECK-NEXT: ldp x20, x19, [sp, #48] ; 16-byte Folded Reload
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; CHECK-NEXT: add sp, sp, #80
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; CHECK-NEXT: ret
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; CHECK-NEXT: LBB0_2: ; %entry
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; CHECK-NEXT: bl ___stack_chk_fail
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; CHECK-NEXT: .loh AdrpLdrGotLdr Lloh5, Lloh6, Lloh7
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; CHECK-NEXT: .loh AdrpAdd Lloh3, Lloh4
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; CHECK-NEXT: .loh AdrpLdrGotLdr Lloh0, Lloh1, Lloh2
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entry:
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%a.addr = alloca ptr, align 8
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%buf = alloca [16 x i8], align 16
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store ptr %a, ptr %a.addr, align 8
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%0 = load ptr, ptr %a.addr, align 8
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%call = call ptr @strcpy(ptr %buf, ptr %0)
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%call2 = call i32 (ptr, ...) @printf(ptr @.str, ptr %buf)
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ret void
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}
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declare ptr @strcpy(ptr, ptr)
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declare i32 @printf(ptr, ...)
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attributes #0 = { ssp }
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