File: stack-guard-acceptable-type.ll

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llvm-toolchain-19 1%3A19.1.7-3
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; Check that we accept a user definition/declaration of __stack_chk_guard
; that is not the expected type (ptr) but one of the same size.
;
; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
; CHECK: __stack_chk_fail

target triple = "hexagon"

@__stack_chk_guard = external global i32, align 4
@g0 = private unnamed_addr constant [37 x i8] c"This string is longer than 16 bytes\0A\00", align 1

; Function Attrs: noinline nounwind ssp
define zeroext i8 @f0(i32 %a0) #0 {
b0:
  %v0 = alloca i32, align 4
  %v1 = alloca [64 x i8], align 8
  %v2 = alloca ptr, align 4
  store i32 %a0, ptr %v0, align 4
  store ptr @g0, ptr %v2, align 4
  %v4 = load ptr, ptr %v2, align 4
  %v5 = call ptr @f1(ptr %v1, ptr %v4) #1
  %v6 = load i32, ptr %v0, align 4
  %v7 = getelementptr inbounds [64 x i8], ptr %v1, i32 0, i32 %v6
  %v8 = load i8, ptr %v7, align 1
  ret i8 %v8
}

; Function Attrs: nounwind
declare ptr @f1(ptr, ptr) #1

attributes #0 = { noinline nounwind ssp }
attributes #1 = { nounwind }