diff options
| author | Chris Lattner <sabre@nondot.org> | 2008-12-13 21:04:20 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2008-12-13 21:04:20 +0000 |
| commit | 3f101bb1e74ff1be6e1a84425642e6adef2c75f0 (patch) | |
| tree | 0390d2a92dd753b5ec49022f32b4aa7ae2e2dbc4 | |
| parent | 4f118f0a20413139f6da22628a28ecf1f39db0f1 (diff) | |
RLE isn't smart enough to eliminate this safely yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60994 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | test/Transforms/GVN/rle-no-phi-translate.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/GVN/rle-no-phi-translate.ll b/test/Transforms/GVN/rle-no-phi-translate.ll new file mode 100644 index 0000000000..b7f0dbc23a --- /dev/null +++ b/test/Transforms/GVN/rle-no-phi-translate.ll @@ -0,0 +1,21 @@ +; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep load +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin7" + +define i32 @g(i32* %b, i32* %c) nounwind { +entry: + store i32 1, i32* %b + store i32 2, i32* %c + + %t1 = icmp eq i32* %b, null ; <i1> [#uses=1] + br i1 %t1, label %bb, label %bb2 + +bb: ; preds = %entry + br label %bb2 + +bb2: ; preds = %bb1, %bb + %c_addr.0 = phi i32* [ %b, %entry ], [ %c, %bb ] ; <i32*> [#uses=1] + %cv = load i32* %c_addr.0, align 4 ; <i32> [#uses=1] + ret i32 %cv +} + |