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; To test that asan does not break the musttail call contract.
;
; RUN: opt < %s -passes=asan -S | FileCheck %s
define internal i32 @foo(ptr %p) sanitize_address {
%rv = load i32, ptr %p
ret i32 %rv
}
declare void @alloca_test_use(ptr)
define i32 @call_foo(ptr %a) sanitize_address {
%x = alloca [10 x i8], align 1
call void @alloca_test_use(ptr %x)
%r = musttail call i32 @foo(ptr %a)
ret i32 %r
}
; CHECK-LABEL: define i32 @call_foo(ptr %a)
; CHECK: %r = musttail call i32 @foo(ptr %a)
; CHECK-NEXT: ret i32 %r
define i32 @call_foo_cast(ptr %a) sanitize_address {
%x = alloca [10 x i8], align 1
call void @alloca_test_use(ptr %x)
%r = musttail call i32 @foo(ptr %a)
%t = bitcast i32 %r to i32
ret i32 %t
}
; CHECK-LABEL: define i32 @call_foo_cast(ptr %a)
; CHECK: %r = musttail call i32 @foo(ptr %a)
; CHECK-NEXT: %t = bitcast i32 %r to i32
; CHECK-NEXT: ret i32 %t
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