33 lines
1.1 KiB
LLVM
33 lines
1.1 KiB
LLVM
; RUN: opt < %s -passes=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(ptr %p) {
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; CHECK: call void @__dfsan_load_callback(i[[#SBITS]] %[[LABEL:.*]], ptr %p)
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; CHECK: %a = load i8, ptr %p
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; CHECK: store i[[#SBITS]] %[[LABEL]], ptr @__dfsan_retval_tls
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%a = load i8, ptr %p
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ret i8 %a
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}
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define void @store8(ptr %p, i8 %a) {
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; CHECK: store i[[#SBITS]] %[[LABEL:.*]], ptr %{{.*}}
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; CHECK: call void @__dfsan_store_callback(i[[#SBITS]] %[[LABEL]], ptr %p)
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; CHECK: store i8 %a, ptr %p
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store i8 %a, ptr %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]], ptr @__dfsan_retval_tls
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%c = icmp ne i8 %a, %b
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ret i1 %c
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} |