38 lines
1.4 KiB
LLVM
38 lines
1.4 KiB
LLVM
; RUN: opt < %s -dfsan -dfsan-args-abi -dfsan-abilist=%S/Inputs/abilist.txt -S | FileCheck %s
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; RUN: opt < %s -dfsan -dfsan-abilist=%S/Inputs/abilist.txt -S | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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; Declare custom functions. Inputs/abilist.txt causes any function with a
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; name matching /custom.*/ to be a custom function.
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declare i32 @custom_fun_one_callback(i8 (i32, double)* %callback_arg)
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declare i32 @custom_fun_two_callbacks(
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i8 (i32, double)* %callback_arg1,
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i64 %an_int,
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i8 (i32, double)* %callback_arg2
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)
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declare i8 @a_callback_fun(i32, double)
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; CHECK-LABEL: @"dfs$call_custom_funs_with_callbacks"
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define void @call_custom_funs_with_callbacks(i8 (i32, double)* %callback_arg) {
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;; The callback should have attribute 'nonnull':
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; CHECK: call signext i32 @__dfsw_custom_fun_one_callback(
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; CHECK: nonnull @"dfst0$custom_fun_one_callback"
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%call1 = call signext i32 @custom_fun_one_callback(
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i8 (i32, double)* nonnull @a_callback_fun
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)
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;; Call a custom function with two callbacks. Check their annotations.
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; CHECK: call i32 @__dfsw_custom_fun_two_callbacks(
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; CHECK: nonnull @"dfst0$custom_fun_two_callbacks"
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; CHECK: i64 12345
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; CHECK: noalias @"dfst2$custom_fun_two_callbacks"
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%call2 = call i32 @custom_fun_two_callbacks(
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i8 (i32, double)* nonnull @a_callback_fun,
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i64 12345,
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i8 (i32, double)* noalias @a_callback_fun
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)
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ret void
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}
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