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| author | Kostya Serebryany <kcc@google.com> | 2017-06-03 01:35:47 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2017-06-03 01:35:47 +0000 |
| commit | f7db346cdfdf4ca18d91afe5ba1ba95127c3c34c (patch) | |
| tree | 4fa2d37954239a264ee6c90bc3b21a4816e07b98 /llvm/test | |
| parent | 1798ec5241dda49f295dd52e1f903327363f6562 (diff) | |
| download | bcm5719-llvm-f7db346cdfdf4ca18d91afe5ba1ba95127c3c34c.tar.gz bcm5719-llvm-f7db346cdfdf4ca18d91afe5ba1ba95127c3c34c.zip | |
[sanitizer-coverage] one more flavor of coverage: -fsanitize-coverage=inline-8bit-counters. Experimental so far, not documenting yet.
llvm-svn: 304630
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Instrumentation/SanitizerCoverage/inline-8bit-counters.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/llvm/test/Instrumentation/SanitizerCoverage/inline-8bit-counters.ll b/llvm/test/Instrumentation/SanitizerCoverage/inline-8bit-counters.ll new file mode 100644 index 00000000000..4df6ffeb5a8 --- /dev/null +++ b/llvm/test/Instrumentation/SanitizerCoverage/inline-8bit-counters.ll @@ -0,0 +1,13 @@ +; Test -sanitizer-coverage-inline-8bit-counters=1 +; RUN: opt < %s -sancov -sanitizer-coverage-level=1 -sanitizer-coverage-inline-8bit-counters=1 -S | FileCheck %s + +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" +target triple = "x86_64-unknown-linux-gnu" +define void @foo() { +entry: +; CHECK: %0 = load i8, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__sancov_gen_, i64 0, i64 0), !nosanitize +; CHECK: %1 = add i8 %0, 1 +; CHECK: store i8 %1, i8* getelementptr inbounds ([1 x i8], [1 x i8]* @__sancov_gen_, i64 0, i64 0), !nosanitize + ret void +} +; CHECK: call void @__sanitizer_cov_8bit_counters_init(i8* bitcast (i8** @__start___sancov_counters to i8*), i8* bitcast (i8** @__stop___sancov_counters to i8*)) |
