[Xtensa] Fix XtensaFixupHWLoop pass.

andreisfr · andreisfr · commit e16fb7c7e955 · 2022-03-30T18:20:49.000Z
Place XtensaFixupHWLoop pass before Branch
Relaxation pass, because FixupHWLoop pass may create
new blocks and  change offset field in  branches.
diff --git a/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp b/llvm/lib/Target/Xtensa/XtensaTargetMachine.cpp
@@ -133,8 +133,8 @@ void XtensaPassConfig::addPreRegAlloc() {
 void XtensaPassConfig::addPreEmitPass() {
   addPass(createXtensaPSRAMCacheFixPass());
   addPass(createXtensaSizeReductionPass());
-  addPass(&BranchRelaxationPassID);
   addPass(createXtensaFixupHwLoops());
+  addPass(&BranchRelaxationPassID);
 }
 
 TargetPassConfig *XtensaTargetMachine::createPassConfig(PassManagerBase &PM) {

Original file line number	Diff line number	Diff line change
`@@ -133,8 +133,8 @@ void XtensaPassConfig::addPreRegAlloc() {`
`133`	`133`	`void XtensaPassConfig::addPreEmitPass() {`
`134`	`134`	`addPass(createXtensaPSRAMCacheFixPass());`
`135`	`135`	`addPass(createXtensaSizeReductionPass());`
`136`		`- addPass(&BranchRelaxationPassID);`
`137`	`136`	`addPass(createXtensaFixupHwLoops());`
	`137`	`+ addPass(&BranchRelaxationPassID);`
`138`	`138`	`}`
`139`	`139`
`140`	`140`	`TargetPassConfig *XtensaTargetMachine::createPassConfig(PassManagerBase &PM) {`