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Fixed a typo that's causing a missing kill marker.

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llvm-svn: 41893
This commit is contained in:
Evan Cheng 2007-09-12 23:02:04 +00:00
parent 679d7949f9
commit 0d738fff6d
2 changed files with 18 additions and 4 deletions
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7
lib/CodeGen/LiveVariables.cpp
View File

@ -306,9 +306,8 @@ bool LiveVariables::HandlePhysRegKill(unsigned Reg, MachineInstr *RefMI,
for (const unsigned *SubRegs = RegInfo->getImmediateSubRegisters(Reg);
unsigned SubReg = *SubRegs; ++SubRegs) {
MachineInstr *LastRef = PhysRegInfo[SubReg];
if (LastRef != RefMI)
SubKills.insert(SubReg);
else if (!HandlePhysRegKill(SubReg, RefMI, SubKills))
if (LastRef != RefMI ||
!HandlePhysRegKill(SubReg, RefMI, SubKills))
SubKills.insert(SubReg);
}
@ -336,7 +335,7 @@ void LiveVariables::addRegisterKills(unsigned Reg, MachineInstr *MI,
bool LiveVariables::HandlePhysRegKill(unsigned Reg, MachineInstr *RefMI) {
SmallSet<unsigned, 4> SubKills;
if (HandlePhysRegKill(Reg, RefMI, SubKills)) {
addRegisterKilled(Reg, RefMI);
addRegisterKilled(Reg, RefMI, true);
return true;
} else {
// Some sub-registers are killed by another MI.

15
test/CodeGen/PowerPC/2007-09-12-LiveIntervalsAssert.ll Normal file
View File

@ -0,0 +1,15 @@
; RUN: llvm-as < %s | llc -mtriple=powerpc64-apple-darwin
declare void @cxa_atexit_check_1(i8*)
define i32 @check_cxa_atexit(i32 (void (i8*)*, i8*, i8*)* %cxa_atexit, void (i8*)* %cxa_finalize) {
entry:
%tmp7 = call i32 null( void (i8*)* @cxa_atexit_check_1, i8* null, i8* null ) ; <i32> [#uses=0]
br i1 false, label %cond_true, label %cond_next
cond_true: ; preds = %entry
ret i32 0
cond_next: ; preds = %entry
ret i32 0
}