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llvm-mirror/test/Instrumentation/DataFlowSanitizer/custom_fun_varargs_attributes.ll
George Balatsouras 9e04c36eae [dfsan] Increase coverage of vector and select tests
Add more expectations in vector.ll and select.ll based on command-line option combinations.
Also, remove hard-coded shadow width references to enable fast8 transition.

Reviewed By: stephan.yichao.zhao

Differential Revision: https://reviews.llvm.org/D97903
2021-03-04 12:56:55 -08:00

30 lines
1.0 KiB
LLVM

; RUN: opt < %s -dfsan -dfsan-args-abi -dfsan-abilist=%S/Inputs/abilist.txt -S | FileCheck %s
; RUN: opt < %s -dfsan -dfsan-abilist=%S/Inputs/abilist.txt -S | FileCheck %s
target triple = "x86_64-unknown-linux-gnu"
; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]]
; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]]
; Declare a custom varargs function.
declare i16 @custom_varargs(i64, ...)
; CHECK-LABEL: @"dfs$call_custom_varargs"
define void @call_custom_varargs(i8* %buf) {
;; All arguments have an annotation. Check that the transformed function
;; preserves each annotation.
; CHECK: call zeroext i16 (i64, i[[#SBITS]], i[[#SBITS]]*, i[[#SBITS]]*, ...)
; CHECK-SAME: @__dfsw_custom_varargs
; CHECK-SAME: i64 signext 200
; CHECK-SAME: i8* nonnull
; CHECK-SAME: i64 zeroext 20
; CHECK-SAME: i32 signext 1
%call = call zeroext i16 (i64, ...) @custom_varargs(
i64 signext 200,
i8* nonnull %buf,
i64 zeroext 20,
i32 signext 1
)
ret void
}