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| author | Dan Gohman <gohman@apple.com> | 2009-06-24 14:46:22 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-06-24 14:46:22 +0000 |
| commit | e5aceed168799af9c109308e84c4845aa6fbe77a (patch) | |
| tree | 4063a9e5a4a40386d090a0c304300a3ac4b52282 /test/Transforms/IndVarSimplify/loop_evaluate7.ll | |
| parent | 32a81a3f6d75c5343e7df65ce5d228f2128ca943 (diff) | |
| download | external_llvm-e5aceed168799af9c109308e84c4845aa6fbe77a.zip external_llvm-e5aceed168799af9c109308e84c4845aa6fbe77a.tar.gz external_llvm-e5aceed168799af9c109308e84c4845aa6fbe77a.tar.bz2 | |
Simplify [su]max(MAX, n) to MAX. This comes up in loop tripcount
computations in loops with multiple exits.
Adjust the testcase for PR4436 so that the relevant portion isn't
optimized away.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74073 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/IndVarSimplify/loop_evaluate7.ll')
| -rw-r--r-- | test/Transforms/IndVarSimplify/loop_evaluate7.ll | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/test/Transforms/IndVarSimplify/loop_evaluate7.ll b/test/Transforms/IndVarSimplify/loop_evaluate7.ll index bce65e0..6e31c55 100644 --- a/test/Transforms/IndVarSimplify/loop_evaluate7.ll +++ b/test/Transforms/IndVarSimplify/loop_evaluate7.ll @@ -4,7 +4,7 @@ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" target triple = "i386-pc-linux-gnu" -define i8* @string_expandtabs() nounwind { +define i8* @string_expandtabs(i32 %n, i8* %m) nounwind { entry: br i1 undef, label %bb33, label %bb1 @@ -22,11 +22,11 @@ bb19: ; preds = %bb30 bb20: ; preds = %bb19 %0 = load i32* undef, align 4 ; <i32> [#uses=1] - %1 = sub i32 %0, undef ; <i32> [#uses=1] + %1 = sub i32 %0, %n ; <i32> [#uses=1] br label %bb23 bb21: ; preds = %bb23 - %2 = icmp ult i8* %q.0, undef ; <i1> [#uses=1] + %2 = icmp ult i8* %q.0, %m ; <i1> [#uses=1] br i1 %2, label %bb22, label %overflow2 bb22: ; preds = %bb21 |