forked from OSchip/llvm-project
35 lines
821 B
LLVM
35 lines
821 B
LLVM
; RUN: opt < %s -dfsan -verify -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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; CHECK-LABEL: @unreachable_bb1.dfsan
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define i8 @unreachable_bb1() {
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; CHECK: ret i8 1
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; CHECK-NOT: bb2:
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; CHECK-NOT: bb3:
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; CHECK-NOT: bb4:
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ret i8 1
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bb2:
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ret i8 2
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bb3:
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br label %bb4
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bb4:
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br label %bb3
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}
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declare void @abort() noreturn
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; CHECK-LABEL: @unreachable_bb2.dfsan
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define i8 @unreachable_bb2() {
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call void @abort() noreturn
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; CHECK-NOT: i8 12
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; CHECK: unreachable
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ret i8 12
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}
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