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authorBill Wendling <isanbard@gmail.com>2007-11-15 02:06:30 +0000
committerBill Wendling <isanbard@gmail.com>2007-11-15 02:06:30 +0000
commitb3712f8146ece9a87a771c4d67e897c5833770ef (patch)
treee0f0f9248c30fe215335f3cb30fd931a43fb008d /llvm/lib/CodeGen
parent8269925b1e09ca5a2635c07e5168608917312682 (diff)
downloadbcm5719-llvm-b3712f8146ece9a87a771c4d67e897c5833770ef.tar.gz
bcm5719-llvm-b3712f8146ece9a87a771c4d67e897c5833770ef.zip
Adding debug output during coalescing.
llvm-svn: 44154
Diffstat (limited to 'llvm/lib/CodeGen')
-rw-r--r--llvm/lib/CodeGen/RegAllocLinearScan.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/RegAllocLinearScan.cpp b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
index 9f08b1db09f..bc9febff59a 100644
--- a/llvm/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/llvm/lib/CodeGen/RegAllocLinearScan.cpp
@@ -233,6 +233,7 @@ unsigned RALinScan::attemptTrivialCoalescing(LiveInterval &cur, unsigned Reg) {
// Try to coalesce.
if (!li_->conflictsWithPhysRegDef(cur, *vrm_, SrcReg)) {
+ DOUT << "Coalescing: " << cur << " -> " << mri_->getName(SrcReg) << '\n';
vrm_->clearVirt(cur.reg);
vrm_->assignVirt2Phys(cur.reg, SrcReg);
++NumCoalesce;
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