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; RUN: opt < %s -passes=asan -S | FileCheck %s
; AddressSanitizer must insert __asan_handle_no_return
; before noreturn calls that aren't inserted by sanitizers.
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
declare void @NormalFunc()
declare void @NoReturnFunc() noreturn
; Instrument noreturn callsites (regardless of function)
define i32 @Call1() sanitize_address {
call void @NormalFunc() noreturn
unreachable
}
; CHECK-LABEL: @Call1
; CHECK-NEXT: call void @__asan_handle_no_return
; CHECK-NEXT: call void @NormalFunc
; Instrument calls to noreturn functions (regardless of callsite)
define i32 @Call2() sanitize_address {
call void @NoReturnFunc()
unreachable
}
; CHECK-LABEL: @Call2
; CHECK-NEXT: call void @__asan_handle_no_return
; CHECK-NEXT: call void @NoReturnFunc
; Do *not* instrument callsites marked !nosanitize
define i32 @Call3() sanitize_address {
call void @NoReturnFunc() noreturn, !nosanitize !{}
unreachable
}
; CHECK-LABEL: @Call3
; CHECK-NOT: call void @__asan_handle_no_return
; CHECK: call void @NoReturnFunc
; Do *not* instrument functions without ASan
define i32 @Call4() {
call void @NoReturnFunc() noreturn
unreachable
}
; CHECK-LABEL: @Call4
; CHECK-NOT: call void @__asan_handle_no_return
; CHECK: call void @NoReturnFunc
declare i32 @__gxx_personality_v0(...)
define i64 @Invoke1() nounwind uwtable ssp sanitize_address personality ptr @__gxx_personality_v0 {
entry:
invoke void @NoReturnFunc()
to label %invoke.cont unwind label %lpad
invoke.cont:
ret i64 0
lpad:
%0 = landingpad { ptr, i32 }
filter [0 x ptr] zeroinitializer
ret i64 1
}
; CHECK-LABEL: @Invoke1
; CHECK: call void @__asan_handle_no_return
; CHECK-NEXT: invoke void @NoReturnFunc
; CHECK: ret i64 0
; CHECK: ret i64 1
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