diff options
Diffstat (limited to 'test/CodeGen/X86/hoist-common.ll')
-rw-r--r-- | test/CodeGen/X86/hoist-common.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/test/CodeGen/X86/hoist-common.ll b/test/CodeGen/X86/hoist-common.ll index 6b26876..01d1b8c 100644 --- a/test/CodeGen/X86/hoist-common.ll +++ b/test/CodeGen/X86/hoist-common.ll @@ -1,4 +1,14 @@ ; RUN: llc < %s -mtriple=x86_64-apple-macosx | FileCheck %s +; This is supposed to be testing BranchFolding's common +; code hoisting logic, but has been erroneously passing due +; to there being a redundant xorl in the entry block +; and no common code to hoist. +; However, now that MachineSink sinks the redundant xor +; hoist-common looks at it and rejects it for hoisting, +; which causes this test to fail. +; Since it seems this test is broken, marking XFAIL for now +; until someone decides to remove it or fix what it tests. +; XFAIL: * ; Common "xorb al, al" instruction in the two successor blocks should be ; moved to the entry block above the test + je. |