diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2013-04-08 18:41:23 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2013-04-08 18:41:23 +0000 |
| commit | 4a16efa3e43e35f0cc9efe3a67f620f0017c3d36 (patch) | |
| tree | 06099edc18d30894081a822b756f117cbe0b8207 /test/Transforms/SimplifyCFG/EmptyBlockMerge.ll | |
| parent | 482e7bddf617ae804dc47133cb07eb4aa81e45de (diff) | |
Diffstat (limited to 'test/Transforms/SimplifyCFG/EmptyBlockMerge.ll')
| -rw-r--r-- | test/Transforms/SimplifyCFG/EmptyBlockMerge.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/SimplifyCFG/EmptyBlockMerge.ll b/test/Transforms/SimplifyCFG/EmptyBlockMerge.ll new file mode 100644 index 0000000000000..aba08dc073a86 --- /dev/null +++ b/test/Transforms/SimplifyCFG/EmptyBlockMerge.ll @@ -0,0 +1,21 @@ +; Basic block #2 should not be merged into BB #3! +; +; RUN: opt < %s -simplifycfg -S | FileCheck %s + +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( ) +; CHECK: br label %bb3 + br label %bb3 +bb3: ; preds = %bb2, %bb0 + %reg117 = phi i32 [ 110, %bb2 ], [ %reg108, %bb0 ] ; <i32> [#uses=1] + store i32 %reg117, i32* %data + ret void +} + |