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41 lines
1.3 KiB
LLVM
41 lines
1.3 KiB
LLVM
; Test -sanitizer-coverage-trace-geps=1
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; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -sanitizer-coverage-trace-geps=1 -S | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define void @gep_1(i32* nocapture %a, i32 %i) {
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entry:
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%idxprom = sext i32 %i to i64
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%arrayidx = getelementptr inbounds i32, i32* %a, i64 %idxprom
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store i32 0, i32* %arrayidx, align 4
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ret void
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}
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; CHECK-LABEL: define void @gep_1(i32* nocapture %a, i32 %i)
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; CHECK: call void @__sanitizer_cov_trace_gep(i64 %idxprom)
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; CHECK: ret void
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define void @gep_2([1000 x i32]* nocapture %a, i32 %i, i32 %j) {
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entry:
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%idxprom = sext i32 %j to i64
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%idxprom1 = sext i32 %i to i64
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%arrayidx2 = getelementptr inbounds [1000 x i32], [1000 x i32]* %a, i64 %idxprom1, i64 %idxprom
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store i32 0, i32* %arrayidx2, align 4
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ret void
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}
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; CHECK-LABEL: define void @gep_2([1000 x i32]* nocapture %a, i32 %i, i32 %j) {
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; CHECK: call void @__sanitizer_cov_trace_gep(i64 %idxprom1)
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; CHECK: call void @__sanitizer_cov_trace_gep(i64 %idxprom)
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; CHECK: ret void
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; Just make sure we don't insturment this one and don't crash
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define void @gep_3(<2 x i8*> %a, i32 %i, i32 %j) {
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entry:
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%0 = getelementptr i8, <2 x i8*> %a, <2 x i64> <i64 8, i64 8>
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ret void
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}
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