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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 | 7ebbabf5000cad682fcc2e4f58f2f83e1d38ef54 (patch) | |
| tree | 958065da5a94d09c7bf190cca72d681100e09195 /test/Transforms/InstCombine/store.ll | |
| parent | f013eea9727d64c87a73944ce2099c648cb6de6c (diff) | |
| download | external_llvm-7ebbabf5000cad682fcc2e4f58f2f83e1d38ef54.zip external_llvm-7ebbabf5000cad682fcc2e4f58f2f83e1d38ef54.tar.gz external_llvm-7ebbabf5000cad682fcc2e4f58f2f83e1d38ef54.tar.bz2 | |
fix instcombine to only do store sinking when the alignments
of the two loads agree. Propagate that onto the new store.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85772 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/store.ll')
| -rw-r--r-- | test/Transforms/InstCombine/store.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/store.ll b/test/Transforms/InstCombine/store.ll index 54f1621..314441e 100644 --- a/test/Transforms/InstCombine/store.ll +++ b/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 +} + |