RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-24 11:42:57 +01:00
Code Issues Projects Releases Wiki Activity

[X86] Correct result type for the flag result of RDSEED and RDRAND nodes. Correct the CC type for the CMOV used with RDSEED/RDRAND.

Browse Source 
The flag result was MVT::Glue, but should be MVT::i32. The CC type was MVT::i8, but should be MVT::i32.

llvm-svn: 315145
This commit is contained in:
Craig Topper 2017-10-07 05:11:59 +00:00
parent 5ca1dd864d
commit 6e50e85aa1
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/Target/X86/X86ISelLowering.cpp
View File

@ -20621,14 +20621,14 @@ static SDValue LowerINTRINSIC_W_CHAIN(SDValue Op, const X86Subtarget &Subtarget,
case RDSEED:
case RDRAND: {
// Emit the node with the right value type.
SDVTList VTs = DAG.getVTList(Op->getValueType(0), MVT::Glue, MVT::Other);
SDVTList VTs = DAG.getVTList(Op->getValueType(0), MVT::i32, MVT::Other);
SDValue Result = DAG.getNode(IntrData->Opc0, dl, VTs, Op.getOperand(0));
// If the value returned by RDRAND/RDSEED was valid (CF=1), return 1.
// Otherwise return the value from Rand, which is always 0, casted to i32.
SDValue Ops[] = { DAG.getZExtOrTrunc(Result, dl, Op->getValueType(1)),
DAG.getConstant(1, dl, Op->getValueType(1)),
DAG.getConstant(X86::COND_B, dl, MVT::i32),
DAG.getConstant(X86::COND_B, dl, MVT::i8),
SDValue(Result.getNode(), 1) };
SDValue isValid = DAG.getNode(X86ISD::CMOV, dl,
DAG.getVTList(Op->getValueType(1), MVT::Glue),