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author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-10-28 12:00:00 +0000 |
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committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-10-28 12:00:00 +0000 |
commit | a7be36c8eb4717e44b05e00008544b883fc87de9 (patch) | |
tree | d6e0da0233f60d66565fec075a631691b0548e93 /test/CodeGen/SystemZ | |
parent | 66589dcc8fb5dcf0894a9a80a8dee890a4f3a379 (diff) | |
download | external_llvm-a7be36c8eb4717e44b05e00008544b883fc87de9.zip external_llvm-a7be36c8eb4717e44b05e00008544b883fc87de9.tar.gz external_llvm-a7be36c8eb4717e44b05e00008544b883fc87de9.tar.bz2 |
[DAGCombiner] Respect volatility when checking for aliases
Making useAA() default to true for SystemZ showed that the combiner alias
analysis wasn't handling volatile accesses. This hit many of the SystemZ
tests, but I arbitrarily picked one for the purpose of this patch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193518 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/SystemZ')
-rw-r--r-- | test/CodeGen/SystemZ/bswap-02.ll | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/test/CodeGen/SystemZ/bswap-02.ll b/test/CodeGen/SystemZ/bswap-02.ll index db69ea5..4bb49eb 100644 --- a/test/CodeGen/SystemZ/bswap-02.ll +++ b/test/CodeGen/SystemZ/bswap-02.ll @@ -1,6 +1,7 @@ ; Test 32-bit byteswaps from memory to registers. ; -; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s +; RUN: llc < %s -mtriple=s390x-linux-gnu -combiner-alias-analysis \ +; RUN: -combiner-global-alias-analysis | FileCheck %s declare i32 @llvm.bswap.i32(i32 %a) |