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path: root/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
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Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index f6a6d7ad6c..51f7a75b6b 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -4939,8 +4939,10 @@ void SelectionDAGLowering::visitInlineAsm(CallSite CS) {
// Add information to the INLINEASM node to know that this register is
// set.
- OpInfo.AssignedRegs.AddInlineAsmOperands(2 /*REGDEF*/, DAG,
- AsmNodeOperands);
+ OpInfo.AssignedRegs.AddInlineAsmOperands(OpInfo.isEarlyClobber ?
+ 6 /* EARLYCLOBBER REGDEF */ :
+ 2 /* REGDEF */ ,
+ DAG, AsmNodeOperands);
break;
}
case InlineAsm::isInput: {
@@ -4959,6 +4961,7 @@ void SelectionDAGLowering::visitInlineAsm(CallSite CS) {
unsigned NumOps =
cast<ConstantSDNode>(AsmNodeOperands[CurOp])->getZExtValue();
assert(((NumOps & 7) == 2 /*REGDEF*/ ||
+ (NumOps & 7) == 6 /*EARLYCLOBBER REGDEF*/ ||
(NumOps & 7) == 4 /*MEM*/) &&
"Skipped past definitions?");
CurOp += (NumOps>>3)+1;
@@ -4966,7 +4969,8 @@ void SelectionDAGLowering::visitInlineAsm(CallSite CS) {
unsigned NumOps =
cast<ConstantSDNode>(AsmNodeOperands[CurOp])->getZExtValue();
- if ((NumOps & 7) == 2 /*REGDEF*/) {
+ if ((NumOps & 7) == 2 /*REGDEF*/
+ || (NumOps & 7) == 6 /* EARLYCLOBBER REGDEF */) {
// Add NumOps>>3 registers to MatchedRegs.
RegsForValue MatchedRegs;
MatchedRegs.TLI = &TLI;