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| author | Shih-wei Liao <sliao@google.com> | 2010-04-07 12:21:42 -0700 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2010-04-07 12:21:42 -0700 |
| commit | e4454320b3cfffe926a487c33fbeb454366de2f8 (patch) | |
| tree | 133c05da684edf4a3b2529bcacfa996298c455f6 /test/Transforms/LoopStrengthReduce/nonlinear-postinc.ll | |
| parent | 20570085304f0a4ab4f112a01d77958bbd2827a1 (diff) | |
| download | external_llvm-e4454320b3cfffe926a487c33fbeb454366de2f8.tar.gz external_llvm-e4454320b3cfffe926a487c33fbeb454366de2f8.tar.bz2 external_llvm-e4454320b3cfffe926a487c33fbeb454366de2f8.zip | |
libbcc
Change-Id: Ieaa3ebd5a38f370752495549f8870b534eeedfc5
Diffstat (limited to 'test/Transforms/LoopStrengthReduce/nonlinear-postinc.ll')
| -rw-r--r-- | test/Transforms/LoopStrengthReduce/nonlinear-postinc.ll | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/test/Transforms/LoopStrengthReduce/nonlinear-postinc.ll b/test/Transforms/LoopStrengthReduce/nonlinear-postinc.ll new file mode 100644 index 0000000000..1e63770553 --- /dev/null +++ b/test/Transforms/LoopStrengthReduce/nonlinear-postinc.ll @@ -0,0 +1,44 @@ +; RUN: opt < %s -loop-reduce +; PR6453 + +target datalayout = "e-p:64:64:64" + +define void @_ZNK15PolynomialSpaceILi3EE13compute_indexEjRA3_j() nounwind { +entry: + br label %bb6 + +bb6: + %t4 = phi i32 [ 0, %entry ], [ %t3, %bb5 ] + %t16 = sub i32 undef, %t4 + %t25 = sub i32 undef, %t4 + %t26 = add i32 undef, %t25 + br label %bb4 + +bb4: + %t2 = phi i32 [ %t1, %bb3 ], [ 0, %bb6 ] + %t17 = mul i32 %t2, %t16 + %t18 = zext i32 %t2 to i33 + %t19 = add i32 %t2, -1 + %t20 = zext i32 %t19 to i33 + %t21 = mul i33 %t18, %t20 + %t22 = lshr i33 %t21, 1 + %t23 = trunc i33 %t22 to i32 + %t24 = sub i32 %t17, %t23 + %t27 = add i32 %t24, %t26 + br i1 false, label %bb1, label %bb5 + +bb1: + %t = icmp ugt i32 %t27, undef + br i1 %t, label %bb2, label %bb3 + +bb3: + %t1 = add i32 %t2, 1 + br label %bb4 + +bb5: + %t3 = add i32 %t4, 1 + br label %bb6 + +bb2: + ret void +} |