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| author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
| commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
| tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/Transforms/GVN/rle-no-phi-translate.ll | |
| download | external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.zip external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.gz external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.bz2 | |
Check in LLVM r95781.
Diffstat (limited to 'test/Transforms/GVN/rle-no-phi-translate.ll')
| -rw-r--r-- | test/Transforms/GVN/rle-no-phi-translate.ll | 28 |
1 files changed, 28 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 0000000..96dbf48 --- /dev/null +++ b/test/Transforms/GVN/rle-no-phi-translate.ll @@ -0,0 +1,28 @@ +; RUN: opt < %s -gvn -S | FileCheck %s +; XFAIL: * +; FIXME: This should be promotable, but memdep/gvn don't track values +; path/edge sensitively enough. + +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 +; CHECK: bb2: +; CHECK-NOT: load i32 +; CHECK: ret i32 +} + |