R600: Do not predicated basic block with multiple alu clause
Test is not included as it is several 1000 lines long.
To test this functionnality, a test case must generate at least 2 ALU clauses,
where an ALU clause is ~110 instructions long.
NOTE: This is a candidate for the stable branch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185943 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/R600/AMDGPUTargetMachine.cpp b/lib/Target/R600/AMDGPUTargetMachine.cpp
index 90f72de..7a14e50 100644
--- a/lib/Target/R600/AMDGPUTargetMachine.cpp
+++ b/lib/Target/R600/AMDGPUTargetMachine.cpp
@@ -148,7 +148,11 @@
}
bool AMDGPUPassConfig::addPreSched2() {
+ const AMDGPUSubtarget &ST = TM->getSubtarget<AMDGPUSubtarget>();
+ if (ST.getGeneration() <= AMDGPUSubtarget::NORTHERN_ISLANDS) {
+ addPass(createR600EmitClauseMarkers(*TM));
+ }
addPass(&IfConverterID);
return false;
}
@@ -158,7 +162,6 @@
if (ST.getGeneration() <= AMDGPUSubtarget::NORTHERN_ISLANDS) {
addPass(createAMDGPUCFGPreparationPass(*TM));
addPass(createAMDGPUCFGStructurizerPass(*TM));
- addPass(createR600EmitClauseMarkers(*TM));
addPass(createR600ExpandSpecialInstrsPass(*TM));
addPass(&FinalizeMachineBundlesID);
addPass(createR600Packetizer(*TM));