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| author | Stephen Hines <srhines@google.com> | 2014-12-01 14:51:49 -0800 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-12-02 16:08:10 -0800 |
| commit | 37ed9c199ca639565f6ce88105f9e39e898d82d0 (patch) | |
| tree | 8fb36d3910e3ee4c4e1b7422f4f017108efc52f5 /test/Transforms/LoopUnroll/update-loop-info-in-subloops.ll | |
| parent | d2327b22152ced7bc46dc629fc908959e8a52d03 (diff) | |
| download | external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.zip external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.gz external_llvm-37ed9c199ca639565f6ce88105f9e39e898d82d0.tar.bz2 | |
Update aosp/master LLVM for rebase to r222494.
Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
Diffstat (limited to 'test/Transforms/LoopUnroll/update-loop-info-in-subloops.ll')
| -rw-r--r-- | test/Transforms/LoopUnroll/update-loop-info-in-subloops.ll | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnroll/update-loop-info-in-subloops.ll b/test/Transforms/LoopUnroll/update-loop-info-in-subloops.ll new file mode 100644 index 0000000..adbf47d --- /dev/null +++ b/test/Transforms/LoopUnroll/update-loop-info-in-subloops.ll @@ -0,0 +1,35 @@ +; RUN: opt -S < %s -loop-unroll -block-freq | FileCheck %s +; Crasher from PR20987. + +; CHECK: define void @update_loop_info_in_subloops +; CHECK: entry: +; CHECK: L: +; CHECK: L.inner: +; CHECK: L.inner.latch: +; CHECK: L.latch: +; CHECK: L.inner.1: +; CHECK: L.inner.latch.1: +; CHECK: L.latch.1: + +define void @update_loop_info_in_subloops() { +entry: + br label %L + +L: + %0 = phi i64 [ 1, %entry ], [ %1, %L.latch ] + br label %L.inner + +L.inner: + br label %L.inner.latch + +L.inner.latch: + br i1 false, label %L.latch, label %L.inner + +L.latch: + %1 = add i64 %0, 1 + %2 = icmp eq i64 %1, 3 + br i1 %2, label %exit, label %L + +exit: + ret void +} |