diff options
| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-03-31 17:13:16 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2010-03-31 17:13:16 +0000 |
| commit | 4cd5866f8ead15aa2634bd63bff4975aa2e395fb (patch) | |
| tree | 408270f4fd570dedf41adb298c22ae7d0880d26e /llvm/lib/Target/X86/SSEDomainFix.cpp | |
| parent | 587b1d419d0557bb7c1c452dfc9f6143c41cf9fe (diff) | |
| download | bcm5719-llvm-4cd5866f8ead15aa2634bd63bff4975aa2e395fb.tar.gz bcm5719-llvm-4cd5866f8ead15aa2634bd63bff4975aa2e395fb.zip | |
Fix PR6750. Don't try to merge a DomainValue with itself.
llvm-svn: 100016
Diffstat (limited to 'llvm/lib/Target/X86/SSEDomainFix.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/SSEDomainFix.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/SSEDomainFix.cpp b/llvm/lib/Target/X86/SSEDomainFix.cpp index fe4e35329c6..be17515184a 100644 --- a/llvm/lib/Target/X86/SSEDomainFix.cpp +++ b/llvm/lib/Target/X86/SSEDomainFix.cpp @@ -261,6 +261,8 @@ void SSEDomainFixPass::Collapse(DomainValue *dv, unsigned domain) { bool SSEDomainFixPass::Merge(DomainValue *A, DomainValue *B) { assert(!A->collapsed() && "Cannot merge into collapsed"); assert(!B->collapsed() && "Cannot merge from collapsed"); + if (A == B) + return true; if (!A->compat(B->Mask)) return false; A->Mask &= B->Mask; |
