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| author | Chris Lattner <sabre@nondot.org> | 2009-11-27 00:07:37 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-11-27 00:07:37 +0000 |
| commit | 304076268a342b2b15e1af2e678d101af3165f4c (patch) | |
| tree | 58266c04d67e0b0061e07450b23c5adcbd09591a /test/Transforms | |
| parent | cc3d0eb483d17154fe00f68726c097546b7c9352 (diff) | |
| download | llvm-304076268a342b2b15e1af2e678d101af3165f4c.tar.gz llvm-304076268a342b2b15e1af2e678d101af3165f4c.tar.bz2 llvm-304076268a342b2b15e1af2e678d101af3165f4c.tar.xz | |
teach memdep to do trivial PHI translation of GEPs. More to
come.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89979 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms')
| -rw-r--r-- | test/Transforms/GVN/rle-phi-translate.ll | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/test/Transforms/GVN/rle-phi-translate.ll b/test/Transforms/GVN/rle-phi-translate.ll index 89f5ac3391..ac9e7aaedc 100644 --- a/test/Transforms/GVN/rle-phi-translate.ll +++ b/test/Transforms/GVN/rle-phi-translate.ll @@ -54,9 +54,35 @@ bb2: %d = phi i32* [ %c, %bb1 ], [ %b, %bb ] %d1 = bitcast i32* %d to i8* %dv = load i8* %d1 -; CHECK: %dv = phi i8 +; CHECK: %dv = phi i8 [ 92, %bb1 ], [ 4, %bb ] ; CHECK-NOT: load ; CHECK: ret i8 %dv ret i8 %dv } +define i32 @test3(i1 %cond, i32* %b, i32* %c) nounwind { +; CHECK: @test3 +entry: + br i1 %cond, label %bb, label %bb1 + +bb: + %b1 = getelementptr i32* %b, i32 17 + store i32 4, i32* %b1 + br label %bb2 + +bb1: + %c1 = getelementptr i32* %c, i32 7 + store i32 82, i32* %c1 + br label %bb2 + +bb2: + %d = phi i32* [ %c, %bb1 ], [ %b, %bb ] + %i = phi i32 [ 7, %bb1 ], [ 17, %bb ] + %d1 = getelementptr i32* %d, i32 %i + %dv = load i32* %d1 +; CHECK: %dv = phi i32 [ 82, %bb1 ], [ 4, %bb ] +; CHECK-NOT: load +; CHECK: ret i32 %dv + ret i32 %dv +} + |