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; RUN: llc -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s --check-prefix=BTI
; RUN: llc -mtriple=aarch64-none-linux-gnu -global-isel < %s | FileCheck %s --check-prefix=BTI
; RUN: llc -mtriple=aarch64-none-linux-gnu -fast-isel < %s | FileCheck %s --check-prefix=BTI
; RUN: llc -mtriple=aarch64-none-linux-gnu -mattr=+no-bti-at-return-twice < %s | \
; RUN: FileCheck %s --check-prefix=NOBTI
; RUN: llc -mtriple=aarch64-none-linux-gnu -global-isel -mattr=+no-bti-at-return-twice < %s | \
; RUN: FileCheck %s --check-prefix=NOBTI
; RUN: llc -mtriple=aarch64-none-linux-gnu -fast-isel -mattr=+no-bti-at-return-twice < %s | \
; RUN: FileCheck %s --check-prefix=NOBTI
; C source
; --------
; extern int setjmp(void*);
; extern void notsetjmp(void);
;
; void bbb(void) {
; setjmp(0);
; int (*fnptr)(void*) = setjmp;
; fnptr(0);
; notsetjmp();
; }
define void @bbb() {
; BTI-LABEL: bbb:
; BTI: bl setjmp
; BTI-NEXT: hint #36
; BTI: blr x{{[0-9]+}}
; BTI-NEXT: hint #36
; BTI: bl notsetjmp
; BTI-NOT: hint #36
; NOBTI-LABEL: bbb:
; NOBTI: bl setjmp
; NOBTI-NOT: hint #36
; NOBTI: blr x{{[0-9]+}}
; NOBTI-NOT: hint #36
; NOBTI: bl notsetjmp
; NOBTI-NOT: hint #36
entry:
%fnptr = alloca i32 (i8*)*, align 8
%call = call i32 @setjmp(i8* noundef null) #0
store i32 (i8*)* @setjmp, i32 (i8*)** %fnptr, align 8
%0 = load i32 (i8*)*, i32 (i8*)** %fnptr, align 8
%call1 = call i32 %0(i8* noundef null) #0
call void @notsetjmp()
ret void
}
declare i32 @setjmp(i8* noundef) #0
declare void @notsetjmp()
attributes #0 = { returns_twice }
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"branch-target-enforcement", i32 1}
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