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| author | Chris Lattner <sabre@nondot.org> | 2011-02-17 02:23:02 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-02-17 02:23:02 +0000 |
| commit | 41429e3f1e4d72ee4f7d4df786b5b0c87405f5b0 (patch) | |
| tree | b84c775e728c3187f9450e611f2b6115eef0a6ef /test/Transforms/InstCombine/add2.ll | |
| parent | 3e468e1efafe905b34f51517f7211ae62cbff480 (diff) | |
| download | llvm-41429e3f1e4d72ee4f7d4df786b5b0c87405f5b0.tar.gz llvm-41429e3f1e4d72ee4f7d4df786b5b0c87405f5b0.tar.bz2 llvm-41429e3f1e4d72ee4f7d4df786b5b0c87405f5b0.tar.xz | |
preserve NUW/NSW when transforming add x,x
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@125711 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/add2.ll')
| -rw-r--r-- | test/Transforms/InstCombine/add2.ll | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/add2.ll b/test/Transforms/InstCombine/add2.ll index a382142d73..c5109c5288 100644 --- a/test/Transforms/InstCombine/add2.ll +++ b/test/Transforms/InstCombine/add2.ll @@ -33,3 +33,11 @@ define i32 @test3(i32 %A) { ; CHECK-NEXT: ret i32 } +define i32 @test4(i32 %A) { + %B = add nuw i32 %A, %A + ret i32 %B +; CHECK: @test4 +; CHECK-NEXT: %B = shl nuw i32 %A, 1 +; CHECK-NEXT: ret i32 %B +} + |