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| author | Chris Lattner <sabre@nondot.org> | 2009-11-02 02:06:37 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-11-02 02:06:37 +0000 |
| commit | 3cd6a61b275f49df4f2aaa273efbf4cf8e0a6511 (patch) | |
| tree | a6bff97c438ca9104eda68fc619c77a138e0ecc4 /llvm/test/Transforms/InstCombine | |
| parent | db3311edc7ed4e6171f268a1f1967f0f65aac457 (diff) | |
| download | bcm5719-llvm-3cd6a61b275f49df4f2aaa273efbf4cf8e0a6511.tar.gz bcm5719-llvm-3cd6a61b275f49df4f2aaa273efbf4cf8e0a6511.zip | |
fix instcombine to only do store sinking when the alignments
of the two loads agree. Propagate that onto the new store.
llvm-svn: 85772
Diffstat (limited to 'llvm/test/Transforms/InstCombine')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/store.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/store.ll b/llvm/test/Transforms/InstCombine/store.ll index 54f16213178..314441eb865 100644 --- a/llvm/test/Transforms/InstCombine/store.ll +++ b/llvm/test/Transforms/InstCombine/store.ll @@ -64,3 +64,21 @@ Cont: ; CHECK-NEXT: ret i32 %storemerge } +; "if then" +define void @test5(i1 %C, i32* %P) { + store i32 47, i32* %P, align 1 + br i1 %C, label %Cond, label %Cont + +Cond: + store i32 -987654321, i32* %P, align 1 + br label %Cont + +Cont: + ret void +; CHECK: @test5 +; CHECK: Cont: +; CHECK-NEXT: %storemerge = phi i32 +; CHECK-NEXT: store i32 %storemerge, i32* %P, align 1 +; CHECK-NEXT: ret void +} + |
