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| author | Alkis Evlogimenos <alkis@evlogimenos.com> | 2003-12-20 17:28:15 +0000 |
|---|---|---|
| committer | Alkis Evlogimenos <alkis@evlogimenos.com> | 2003-12-20 17:28:15 +0000 |
| commit | 27437e33183213ecebafecfe8bc02c9f1cae3f46 (patch) | |
| tree | dc430a7c1ae956d745efdc48b0eb8033404d2bd1 | |
| parent | 68cff6bf4daba5974f17639d829afc4aeee70010 (diff) | |
| download | bcm5719-llvm-27437e33183213ecebafecfe8bc02c9f1cae3f46.tar.gz bcm5719-llvm-27437e33183213ecebafecfe8bc02c9f1cae3f46.zip | |
Move FP_REG_KILL closer to the actual branch instruction.
llvm-svn: 10563
| -rw-r--r-- | llvm/lib/Target/X86/InstSelectSimple.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/InstSelectSimple.cpp b/llvm/lib/Target/X86/InstSelectSimple.cpp index ca65c446ea7..fac58cc00ff 100644 --- a/llvm/lib/Target/X86/InstSelectSimple.cpp +++ b/llvm/lib/Target/X86/InstSelectSimple.cpp @@ -883,11 +883,12 @@ static inline BasicBlock *getBlockAfter(BasicBlock *BB) { /// void ISel::visitBranchInst(BranchInst &BI) { BasicBlock *NextBB = getBlockAfter(BI.getParent()); // BB after current one - BuildMI(BB, X86::FP_REG_KILL, 0); if (!BI.isConditional()) { // Unconditional branch? - if (BI.getSuccessor(0) != NextBB) + if (BI.getSuccessor(0) != NextBB) { + BuildMI(BB, X86::FP_REG_KILL, 0); BuildMI(BB, X86::JMP, 1).addPCDisp(BI.getSuccessor(0)); + } return; } @@ -898,6 +899,7 @@ void ISel::visitBranchInst(BranchInst &BI) { // computed some other way... unsigned condReg = getReg(BI.getCondition()); BuildMI(BB, X86::CMPri8, 2).addReg(condReg).addZImm(0); + BuildMI(BB, X86::FP_REG_KILL, 0); if (BI.getSuccessor(1) == NextBB) { if (BI.getSuccessor(0) != NextBB) BuildMI(BB, X86::JNE, 1).addPCDisp(BI.getSuccessor(0)); @@ -936,6 +938,7 @@ void ISel::visitBranchInst(BranchInst &BI) { X86::JS, X86::JNS }, }; + BuildMI(BB, X86::FP_REG_KILL, 0); if (BI.getSuccessor(0) != NextBB) { BuildMI(BB, OpcodeTab[isSigned][OpNum], 1).addPCDisp(BI.getSuccessor(0)); if (BI.getSuccessor(1) != NextBB) |
