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authorEd Schouten <ed@FreeBSD.org>2009-06-02 17:52:33 +0000
committerEd Schouten <ed@FreeBSD.org>2009-06-02 17:52:33 +0000
commit009b1c42aa6266385f2c37e227516b24077e6dd7 (patch)
tree64ba909838c23261cace781ece27d106134ea451 /test/Transforms/Reassociate/basictest.ll
downloadsrc-009b1c42aa6266385f2c37e227516b24077e6dd7.tar.gz
src-009b1c42aa6266385f2c37e227516b24077e6dd7.zip
Import LLVM, at r72732.vendor/llvm/llvm-r72732
Notes
Notes: svn path=/vendor/llvm/dist/; revision=193323 svn path=/vendor/llvm/llvm-r72732/; revision=193324; tag=vendor/llvm/llvm-r72732
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diff --git a/test/Transforms/Reassociate/basictest.ll b/test/Transforms/Reassociate/basictest.ll
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+; With reassociation, constant folding can eliminate the 12 and -12 constants.
+;
+; RUN: llvm-as < %s | opt -reassociate -constprop -instcombine -die | llvm-dis | not grep add
+
+define i32 @test(i32 %arg) {
+ %tmp1 = sub i32 -12, %arg ; <i32> [#uses=1]
+ %tmp2 = add i32 %tmp1, 12 ; <i32> [#uses=1]
+ ret i32 %tmp2
+}
+