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