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| author | ed <ed@FreeBSD.org> | 2009-06-02 17:52:33 +0000 |
|---|---|---|
| committer | ed <ed@FreeBSD.org> | 2009-06-02 17:52:33 +0000 |
| commit | 3277b69d734b9c90b44ebde4ede005717e2c3b2e (patch) | |
| tree | 64ba909838c23261cace781ece27d106134ea451 /test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll | |
| download | FreeBSD-src-3277b69d734b9c90b44ebde4ede005717e2c3b2e.zip FreeBSD-src-3277b69d734b9c90b44ebde4ede005717e2c3b2e.tar.gz | |
Import LLVM, at r72732.
Diffstat (limited to 'test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll')
| -rw-r--r-- | test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll b/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll new file mode 100644 index 0000000..5682ff4 --- /dev/null +++ b/test/Transforms/SimplifyCFG/2002-05-05-EmptyBlockMerge.ll @@ -0,0 +1,22 @@ +; Basic block #2 should not be merged into BB #3! +; +; RUN: llvm-as < %s | opt -simplifycfg | llvm-dis | \ +; RUN: grep {br label} +; + +declare void @foo() + +define void @cprop_test12(i32* %data) { +bb0: + %reg108 = load i32* %data ; <i32> [#uses=2] + %cond218 = icmp ne i32 %reg108, 5 ; <i1> [#uses=1] + br i1 %cond218, label %bb3, label %bb2 +bb2: ; preds = %bb0 + call void @foo( ) + br label %bb3 +bb3: ; preds = %bb2, %bb0 + %reg117 = phi i32 [ 110, %bb2 ], [ %reg108, %bb0 ] ; <i32> [#uses=1] + store i32 %reg117, i32* %data + ret void +} + |
