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[DebugInfo] Examine all uses of isDebugValue() for debug instructions.

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Because we create a new kind of debug instruction, DBG_LABEL, we need to
check all passes which use isDebugValue() to check MachineInstr is debug
instruction or not. When expelling debug instructions, we should expel
both DBG_VALUE and DBG_LABEL. So, I create a new function,
isDebugInstr(), in MachineInstr to check whether the MachineInstr is
debug instruction or not.

This patch has no new test case. I have run regression test and there is
no difference in regression test.

Differential Revision: https://reviews.llvm.org/D45342

Patch by Hsiangkai Wang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@331844 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Shiva Chen
2018-05-09 02:42:00 +00:00
parent 085342284c
commit 24abe71d71
106 changed files with 233 additions and 217 deletions
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lib/CodeGen/ExecutionDomainFix.cpp
+2 -2
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@@ -233,7 +233,7 @@ bool ExecutionDomainFix::visitInstr(MachineInstr *MI) {
}
void ExecutionDomainFix::processDefs(MachineInstr *MI, bool Kill) {
assert(!MI->isDebugValue() && "Won't process debug values");
assert(!MI->isDebugInstr() && "Won't process debug values");
const MCInstrDesc &MCID = MI->getDesc();
for (unsigned i = 0,
e = MI->isVariadic() ? MI->getNumOperands() : MCID.getNumDefs();
@@ -401,7 +401,7 @@ void ExecutionDomainFix::processBasicBlock(
// and by then we'll have better information, so we can avoid doing the work
// to try and break dependencies now.
for (MachineInstr &MI : *TraversedMBB.MBB) {
if (!MI.isDebugValue()) {
if (!MI.isDebugInstr()) {
bool Kill = false;
if (TraversedMBB.PrimaryPass)
Kill = visitInstr(&MI);