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authorNate Begeman <natebegeman@mac.com>2004-10-20 21:55:41 +0000
committerNate Begeman <natebegeman@mac.com>2004-10-20 21:55:41 +0000
commit0797d4905a2cabd928cf0ffdf80690f4e6c89845 (patch)
treeb1ecf537e3ae32735cf7c15d0d28bd9dcf78f4ba
parenta30dd79be8d76e8571557fd4524b6201e21a83c7 (diff)
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Don't clear or sign extend bool->int. This fires a few dozen times on the test suite
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17147 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/PowerPC/PPC32ISelSimple.cpp17
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPC32ISelSimple.cpp b/lib/Target/PowerPC/PPC32ISelSimple.cpp
index b0f56da..3adce5d 100644
--- a/lib/Target/PowerPC/PPC32ISelSimple.cpp
+++ b/lib/Target/PowerPC/PPC32ISelSimple.cpp
@@ -3048,6 +3048,23 @@ void PPC32ISel::emitCastOperation(MachineBasicBlock *MBB,
unsigned DestClass = getClassB(DestTy);
unsigned SrcReg = getReg(Src, MBB, IP);
+ // Implement casts from bool to integer types as a move operation
+ if (SrcTy == Type::BoolTy) {
+ switch (DestClass) {
+ case cByte:
+ case cShort:
+ case cInt:
+ BuildMI(*MBB, IP, PPC::OR, 2, DestReg).addReg(SrcReg).addReg(SrcReg);
+ return;
+ case cLong:
+ BuildMI(*MBB, IP, PPC::LI, 1, DestReg).addImm(0);
+ BuildMI(*MBB, IP, PPC::OR, 2, DestReg+1).addReg(SrcReg).addReg(SrcReg);
+ return;
+ default:
+ break;
+ }
+ }
+
// Implement casts to bool by using compare on the operand followed by set if
// not zero on the result.
if (DestTy == Type::BoolTy) {