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| author | Chris Lattner <sabre@nondot.org> | 2010-01-09 06:01:36 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-01-09 06:01:36 +0000 |
| commit | ab7087ad66e6bb994dd17c644bad7641f492c9cf (patch) | |
| tree | 446d18c0e411c697f1bf7310ad0fd05e21064d42 /llvm/test/Transforms/Reassociate | |
| parent | 002ba6b4d0d944d26d18e452104abfb2810a22c2 (diff) | |
| download | bcm5719-llvm-ab7087ad66e6bb994dd17c644bad7641f492c9cf.tar.gz bcm5719-llvm-ab7087ad66e6bb994dd17c644bad7641f492c9cf.zip | |
only factor from expressions whose uses are empty and whose
base is the right expression type. This fixes PR5981.
llvm-svn: 93045
Diffstat (limited to 'llvm/test/Transforms/Reassociate')
| -rw-r--r-- | llvm/test/Transforms/Reassociate/crash.ll | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/llvm/test/Transforms/Reassociate/crash.ll b/llvm/test/Transforms/Reassociate/crash.ll index 12f8a376fdb..060018d8da4 100644 --- a/llvm/test/Transforms/Reassociate/crash.ll +++ b/llvm/test/Transforms/Reassociate/crash.ll @@ -2,7 +2,7 @@ ; rdar://7507855 -define fastcc i32 @test() nounwind { +define fastcc i32 @test1() nounwind { entry: %cond = select i1 undef, i32 1, i32 -1 ; <i32> [#uses=2] br label %for.cond @@ -13,3 +13,21 @@ for.cond: ; preds = %for.body, %entry %add896 = sub i32 0, %cond ; <i32> [#uses=0] ret i32 undef } + +; PR5981 +define i32 @test2() nounwind ssp { +entry: + %0 = load i32* undef, align 4 + %1 = mul nsw i32 undef, %0 + %2 = mul nsw i32 undef, %0 + %3 = add nsw i32 undef, %1 + %4 = add nsw i32 %3, %2 + %5 = add nsw i32 %4, 4 + %6 = shl i32 %0, 3 ; <i32> [#uses=1] + %7 = add nsw i32 %5, %6 + br label %bb4.i9 + +bb4.i9: ; preds = %bb3.i7, %bb1.i25.i + %8 = add nsw i32 undef, %1 + ret i32 0 +} |
