29 lines
923 B
LLVM
29 lines
923 B
LLVM
; RUN: opt < %s -passes=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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; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]]
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; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]]
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; Declare a custom varargs function.
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declare i16 @custom_varargs(i64, ...)
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; CHECK-LABEL: @call_custom_varargs.dfsan
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define void @call_custom_varargs(ptr %buf) {
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;; All arguments have an annotation. Check that the transformed function
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;; preserves each annotation.
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; CHECK: call zeroext i16 (i64, i[[#SBITS]], ptr, ptr, ...)
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; CHECK-SAME: @__dfsw_custom_varargs
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; CHECK-SAME: i64 signext 200
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; CHECK-SAME: ptr nonnull
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; CHECK-SAME: i64 zeroext 20
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; CHECK-SAME: i32 signext 1
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%call = call zeroext i16 (i64, ...) @custom_varargs(
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i64 signext 200,
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ptr nonnull %buf,
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i64 zeroext 20,
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i32 signext 1
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)
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ret void
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}
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