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authorShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
committerShih-wei Liao <sliao@google.com>2010-02-10 11:10:31 -0800
commite264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch)
tree59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/FrontendC++/integration-O2.cpp
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Check in LLVM r95781.
Diffstat (limited to 'test/FrontendC++/integration-O2.cpp')
-rw-r--r--test/FrontendC++/integration-O2.cpp19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/FrontendC++/integration-O2.cpp b/test/FrontendC++/integration-O2.cpp
new file mode 100644
index 0000000..bb65ac2
--- /dev/null
+++ b/test/FrontendC++/integration-O2.cpp
@@ -0,0 +1,19 @@
+// RUN: %llvmgxx %s -O2 -S -o - | FileCheck %s
+
+// This test verifies that we get expected codegen out of the -O2 optimization
+// level from the full optimizer.
+
+
+
+// Verify that ipsccp is running and can eliminate globals.
+static int test1g = 42;
+void test1f1() {
+ if (test1g == 0) test1g = 0;
+}
+int test1f2() {
+ return test1g;
+}
+
+// CHECK: @_Z7test1f2v()
+// CHECK: entry:
+// CHECK-NEXT: ret i32 42