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authorEvan Cheng <evan.cheng@apple.com>2009-09-22 01:48:19 +0000
committerEvan Cheng <evan.cheng@apple.com>2009-09-22 01:48:19 +0000
commit014d624a2864605b10d3b14fd9cda3163c41f6bf (patch)
treef1d5d50340bb470afe37be9c99f0ae7e23d9744d
parent1c17c1bc54335564e86bdb7c5e87383feddbc729 (diff)
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Fix a pasto. Also simplify for Bill's benefit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82505 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/CodeGen/SimpleRegisterCoalescing.cpp6
-rw-r--r--test/CodeGen/ARM/2008-11-19-ScavengerAssert.ll2
-rw-r--r--test/CodeGen/X86/2008-02-22-ReMatBug.ll2
3 files changed, 6 insertions, 4 deletions
diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index 068dcda..22b62c3 100644
--- a/lib/CodeGen/SimpleRegisterCoalescing.cpp
+++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -2571,17 +2571,19 @@ void SimpleRegisterCoalescing::CalculateSpillWeights() {
continue;
bool HasDef = mopi.isDef();
- bool HasUse = mopi.isUse();
+ bool HasUse = !HasDef;
for (unsigned j = i+1; j != e; ++j) {
const MachineOperand &mopj = MI->getOperand(j);
if (!mopj.isReg() || mopj.getReg() != Reg)
continue;
HasDef |= mopj.isDef();
HasUse |= mopj.isUse();
+ if (HasDef && HasUse)
+ break;
}
LiveInterval &RegInt = li_->getInterval(Reg);
- float Weight = li_->getSpillWeight(HasDef, HasUse, loopDepth+1);
+ float Weight = li_->getSpillWeight(HasDef, HasUse, loopDepth);
if (HasDef && isExit) {
// Looks like this is a loop count variable update.
MachineInstrIndex DefIdx =
diff --git a/test/CodeGen/ARM/2008-11-19-ScavengerAssert.ll b/test/CodeGen/ARM/2008-11-19-ScavengerAssert.ll
index 221a168..3291856 100644
--- a/test/CodeGen/ARM/2008-11-19-ScavengerAssert.ll
+++ b/test/CodeGen/ARM/2008-11-19-ScavengerAssert.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -mtriple=arm-apple-darwin9 -stats |& grep asm-printer | grep 161
+; RUN: llc < %s -mtriple=arm-apple-darwin9 -stats |& grep asm-printer | grep 162
%"struct.Adv5::Ekin<3>" = type <{ i8 }>
%"struct.Adv5::X::Energyflux<3>" = type { double }
diff --git a/test/CodeGen/X86/2008-02-22-ReMatBug.ll b/test/CodeGen/X86/2008-02-22-ReMatBug.ll
index a91ac27..8d6bb0d 100644
--- a/test/CodeGen/X86/2008-02-22-ReMatBug.ll
+++ b/test/CodeGen/X86/2008-02-22-ReMatBug.ll
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=x86 -stats |& grep {Number of re-materialization} | grep 2
+; RUN: llc < %s -march=x86 -stats |& grep {Number of re-materialization} | grep 3
; rdar://5761454
%struct.quad_struct = type { i32, i32, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct*, %struct.quad_struct* }