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authorKostya Serebryany <kcc@google.com>2012-02-13 22:50:51 +0000
committerKostya Serebryany <kcc@google.com>2012-02-13 22:50:51 +0000
commite2a0e4163a7eab225de1a9b83434cddf6695012e (patch)
tree9f0f92b057a1ab183be5d40b813d11adadb393c0 /llvm/test/Instrumentation/ThreadSanitizer/tsan_basic.ll
parent59700591f1cf4948200fad10b99a0e04d57f0692 (diff)
downloadbcm5719-llvm-e2a0e4163a7eab225de1a9b83434cddf6695012e.tar.gz
bcm5719-llvm-e2a0e4163a7eab225de1a9b83434cddf6695012e.zip
ThreadSanitizer, a race detector. First LLVM commit.
Clang patch (flags) will follow shortly. The run-time library will also follow, but not immediately. llvm-svn: 150423
Diffstat (limited to 'llvm/test/Instrumentation/ThreadSanitizer/tsan_basic.ll')
-rw-r--r--llvm/test/Instrumentation/ThreadSanitizer/tsan_basic.ll22
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/Instrumentation/ThreadSanitizer/tsan_basic.ll b/llvm/test/Instrumentation/ThreadSanitizer/tsan_basic.ll
new file mode 100644
index 00000000000..33c703b4c9b
--- /dev/null
+++ b/llvm/test/Instrumentation/ThreadSanitizer/tsan_basic.ll
@@ -0,0 +1,22 @@
+; RUN: opt < %s -tsan -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 i32 @read_4_bytes(i32* %a) {
+entry:
+ %tmp1 = load i32* %a, align 4
+ ret i32 %tmp1
+}
+
+; CHECK: @llvm.global_ctors = {{.*}}@__tsan_init
+
+; CHECK: define i32 @read_4_bytes(i32* %a) {
+; CHECK: call void @__tsan_func_entry(i8* %0)
+; CHECK-NEXT: %1 = bitcast i32* %a to i8*
+; CHECK-NEXT: call void @__tsan_read4(i8* %1)
+; CHECK-NEXT: %tmp1 = load i32* %a, align 4
+; CHECK-NEXT: call void @__tsan_func_exit()
+; CHECK: ret i32
+
+
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