18 lines
795 B
LLVM
18 lines
795 B
LLVM
; RUN: opt < %s -passes=dfsan -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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declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1)
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define void @ms(ptr %p, i8 %v) {
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; CHECK-LABEL: @ms.dfsan
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; CHECK-SAME: (ptr %p, i8 %v)
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; CHECK: %[[ARGLABEL:.*]] = load i[[#SBITS]], {{.*}} @__dfsan_arg_tls
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; CHECK: call void @__dfsan_set_label(i[[#SBITS]] %[[ARGLABEL]], i32 0, ptr %p, i64 1)
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call void @llvm.memset.p0.i64(ptr %p, i8 %v, i64 1, i1 1)
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ret void
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}
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