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| author | Dan Gohman <gohman@apple.com> | 2010-02-19 18:12:07 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-02-19 18:12:07 +0000 |
| commit | 00cb5b724547a821516292fe5cded7c6a5358bda (patch) | |
| tree | a7de32f5f0495e9ca18a39599e62d221d4edf950 /test/Transforms/IndVarSimplify/2003-12-15-Crash.ll | |
| parent | 6b89aa57e6506f073579398bd74845db9463b9f1 (diff) | |
| download | external_llvm-00cb5b724547a821516292fe5cded7c6a5358bda.zip external_llvm-00cb5b724547a821516292fe5cded7c6a5358bda.tar.gz external_llvm-00cb5b724547a821516292fe5cded7c6a5358bda.tar.bz2 | |
Teach ScalarEvolution how to compute a tripcount for a loop with
true or false as its exit condition. These are usually eliminated by
SimplifyCFG, but the may be left around during a pass which wishes
to preserve the CFG.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96683 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/IndVarSimplify/2003-12-15-Crash.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/2003-12-15-Crash.ll | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/test/Transforms/IndVarSimplify/2003-12-15-Crash.ll b/test/Transforms/IndVarSimplify/2003-12-15-Crash.ll index 5aa2d90..662828c 100644 --- a/test/Transforms/IndVarSimplify/2003-12-15-Crash.ll +++ b/test/Transforms/IndVarSimplify/2003-12-15-Crash.ll @@ -8,7 +8,7 @@ cond_continue.3: ; preds = %entry loopexit.14: ; preds = %entry %tmp.738 = sub i32 0, 0 ; <i32> [#uses=1] - br i1 false, label %no_exit.15.preheader, label %loopexit.15 + br i1 undef, label %no_exit.15.preheader, label %loopexit.15 no_exit.15.preheader: ; preds = %loopexit.14 br label %no_exit.15 @@ -16,7 +16,7 @@ no_exit.15.preheader: ; preds = %loopexit.14 no_exit.15: ; preds = %no_exit.15, %no_exit.15.preheader %highC.0 = phi i32 [ %tmp.738, %no_exit.15.preheader ], [ %dec.0, %no_exit.15 ] ; <i32> [#uses=1] %dec.0 = add i32 %highC.0, -1 ; <i32> [#uses=1] - br i1 false, label %no_exit.15, label %loopexit.15 + br i1 undef, label %no_exit.15, label %loopexit.15 loopexit.15: ; preds = %no_exit.15, %loopexit.14 ret void |