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| author | Dimitry Andric <dim@FreeBSD.org> | 2018-07-28 10:51:19 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2018-07-28 10:51:19 +0000 |
| commit | eb11fae6d08f479c0799db45860a98af528fa6e7 (patch) | |
| tree | 44d492a50c8c1a7eb8e2d17ea3360ec4d066f042 /test/CodeGen/AArch64/overlapping-copy-bundle-cycle.mir | |
| parent | b8a2042aa938069e862750553db0e4d82d25822c (diff) | |
Notes
Diffstat (limited to 'test/CodeGen/AArch64/overlapping-copy-bundle-cycle.mir')
| -rw-r--r-- | test/CodeGen/AArch64/overlapping-copy-bundle-cycle.mir | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/overlapping-copy-bundle-cycle.mir b/test/CodeGen/AArch64/overlapping-copy-bundle-cycle.mir new file mode 100644 index 000000000000..093473ab472b --- /dev/null +++ b/test/CodeGen/AArch64/overlapping-copy-bundle-cycle.mir @@ -0,0 +1,16 @@ +# RUN: not llc -mtriple=aarch64-apple-ios -run-pass=greedy -run-pass=virtregrewriter %s -o /dev/null 2>&1 | FileCheck %s + +# Check we don't infinitely loop on cycles in copy bundles. +# CHECK: error: register rewriting failed: cycle in copy bundle + +--- +name: func0 +body: | + bb.0: + $x0 = IMPLICIT_DEF + $q0_q1_q2_q3 = IMPLICIT_DEF + $q1_q2_q3 = COPY $q0_q1_q2 { + $q2_q3_q4 = COPY $q1_q2_q3 + } + ST4i64 $q1_q2_q3_q4, 0, $x0 +... |