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authorVincent Lejeune <vljn@ovi.com>2013-09-04 19:53:54 +0000
committerVincent Lejeune <vljn@ovi.com>2013-09-04 19:53:54 +0000
commitf94eea9e112a75d0d328f799dd889681094cee97 (patch)
treed2f6b813ca5e523d542d22f063e495e6093453c6 /lib/Target/R600
parentbb25a01d232257b134f1f6a5810116cbb04b95b1 (diff)
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R600: Use shared op optimization when checking cycle compatibility
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189981 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/R600')
-rw-r--r--lib/Target/R600/R600InstrInfo.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/R600/R600InstrInfo.cpp b/lib/Target/R600/R600InstrInfo.cpp
index e3cb71b..0e7cfb4 100644
--- a/lib/Target/R600/R600InstrInfo.cpp
+++ b/lib/Target/R600/R600InstrInfo.cpp
@@ -336,6 +336,8 @@ R600InstrInfo::ExtractSrcs(MachineInstr *MI,
static std::vector<std::pair<int, unsigned> >
Swizzle(std::vector<std::pair<int, unsigned> > Src,
R600InstrInfo::BankSwizzle Swz) {
+ if (Src[0] == Src[1])
+ Src[1].first = -1;
switch (Swz) {
case R600InstrInfo::ALU_VEC_012_SCL_210:
break;