forked from OSchip/llvm-project
33 lines
1.2 KiB
LLVM
33 lines
1.2 KiB
LLVM
; RUN: opt < %s -dfsan -dfsan-event-callbacks=1 -S | FileCheck %s
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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-S128"
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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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define i8 @load8(i8* %p) {
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; CHECK: call void @__dfsan_load_callback(i[[#SBITS]] %[[LABEL:.*]], i8* %p)
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; CHECK: %a = load i8, i8* %p
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; CHECK: store i[[#SBITS]] %[[LABEL]], i[[#SBITS]]* bitcast ({{.*}}* @__dfsan_retval_tls to i[[#SBITS]]*)
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%a = load i8, i8* %p
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ret i8 %a
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}
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define void @store8(i8* %p, i8 %a) {
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; CHECK: store i[[#SBITS]] %[[LABEL:.*]], i[[#SBITS]]* %{{.*}}
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; CHECK: call void @__dfsan_store_callback(i[[#SBITS]] %[[LABEL]], i8* %p)
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; CHECK: store i8 %a, i8* %p
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store i8 %a, i8* %p
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ret void
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}
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define i1 @cmp(i8 %a, i8 %b) {
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; CHECK: call void @__dfsan_cmp_callback(i[[#SBITS]] %[[CMPLABEL:.*]])
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; CHECK: %c = icmp ne i8 %a, %b
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; CHECK: store i[[#SBITS]] %[[CMPLABEL]], i[[#SBITS]]* bitcast ({{.*}}* @__dfsan_retval_tls to i[[#SBITS]]*)
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%c = icmp ne i8 %a, %b
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ret i1 %c
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} |