forked from OSchip/llvm-project
33 lines
1.4 KiB
LLVM
33 lines
1.4 KiB
LLVM
; RUN: opt < %s -dfsan -dfsan-debug-nonzero-labels -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 i32 @g()
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; CHECK: define i32 @f.dfsan(i32 %0, i32 %1)
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define i32 @f(i32, i32) {
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; CHECK: [[ARGLABEL1:%.*]] = load i[[#SBITS]], {{.*}} @__dfsan_arg_tls
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%i = alloca i32
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; CHECK: [[ARGCMP1:%.*]] = icmp ne i[[#SBITS]] [[ARGLABEL1]], 0
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; CHECK: br i1 [[ARGCMP1]]
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; CHECK: [[ARGLABEL2:%.*]] = load i[[#SBITS]], {{.*}} @__dfsan_arg_tls
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; CHECK: [[LOCALLABELALLOCA:%.*]] = alloca i[[#SBITS]]
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; CHECK: [[ARGCMP2:%.*]] = icmp ne i[[#SBITS]] [[ARGLABEL2]], 0
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; CHECK: br i1 [[ARGCMP2]]
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%x = add i32 %0, %1
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store i32 %x, i32* %i
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; CHECK: [[CALL:%.*]] = call i32 @g.dfsan()
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; CHECK: [[RETLABEL:%.*]] = load i[[#SBITS]], {{.*}} @__dfsan_retval_tls
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; CHECK: [[CALLCMP:%.*]] = icmp ne i[[#SBITS]] [[RETLABEL]], 0
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; CHECK: br i1 [[CALLCMP]]
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%call = call i32 @g()
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; CHECK: [[LOCALLABEL:%.*]] = load i[[#SBITS]], i[[#SBITS]]* [[LOCALLABELALLOCA]]
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; CHECK: [[LOCALCMP:%.*]] = icmp ne i[[#SBITS]] [[LOCALLABEL]], 0
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; CHECK: br i1 [[LOCALCMP]]
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%load = load i32, i32* %i
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ret i32 %load
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}
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