mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-21 18:29:46 +00:00
Handle the constantfp created during post-legalization dag combiner phase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78594 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
parent
70671845ad
commit
e2b861f7d9
@ -988,6 +988,24 @@ SDNode *ARMDAGToDAGISel::Select(SDValue Op) {
|
||||
// Other cases are autogenerated.
|
||||
break;
|
||||
}
|
||||
case ISD::ConstantFP: {
|
||||
ConstantFPSDNode *CFP = cast<ConstantFPSDNode>(N);
|
||||
MVT VT = CFP->getValueType(0);
|
||||
ConstantFP *LLVMC = const_cast<ConstantFP*>(CFP->getConstantFPValue());
|
||||
SDValue CPIdx = CurDAG->getTargetConstantPool(LLVMC, TLI.getPointerTy());
|
||||
SDNode *ResNode;
|
||||
SDValue Ops[] = {
|
||||
CPIdx,
|
||||
CurDAG->getTargetConstant(0, MVT::i32),
|
||||
getAL(CurDAG),
|
||||
CurDAG->getRegister(0, MVT::i32),
|
||||
CurDAG->getEntryNode()
|
||||
};
|
||||
unsigned Opc = (VT == MVT::f32) ? ARM::FLDS : ARM::FLDD;
|
||||
ResNode=CurDAG->getTargetNode(Opc, dl, VT, MVT::Other, Ops, 5);
|
||||
ReplaceUses(Op, SDValue(ResNode, 0));
|
||||
return NULL;
|
||||
}
|
||||
case ISD::FrameIndex: {
|
||||
// Selects to ADDri FI, 0 which in turn will become ADDri SP, imm.
|
||||
int FI = cast<FrameIndexSDNode>(N)->getIndex();
|
||||
|
15
test/CodeGen/Thumb2/2009-08-10-ISelBug.ll
Normal file
15
test/CodeGen/Thumb2/2009-08-10-ISelBug.ll
Normal file
@ -0,0 +1,15 @@
|
||||
; RUN: llvm-as < %s | llc -mtriple=thumbv7-apple-darwin -mattr=+vfp2
|
||||
|
||||
define arm_apcscc float @t1(i32 %v0) nounwind {
|
||||
entry:
|
||||
store i32 undef, i32* undef, align 4
|
||||
%0 = load [4 x i8]** undef, align 4 ; <[4 x i8]*> [#uses=1]
|
||||
%1 = load i8* undef, align 1 ; <i8> [#uses=1]
|
||||
%2 = zext i8 %1 to i32 ; <i32> [#uses=1]
|
||||
%3 = getelementptr [4 x i8]* %0, i32 %v0, i32 0 ; <i8*> [#uses=1]
|
||||
%4 = load i8* %3, align 1 ; <i8> [#uses=1]
|
||||
%5 = zext i8 %4 to i32 ; <i32> [#uses=1]
|
||||
%6 = sub i32 %5, %2 ; <i32> [#uses=1]
|
||||
%7 = sitofp i32 %6 to float ; <float> [#uses=1]
|
||||
ret float %7
|
||||
}
|
Loading…
Reference in New Issue
Block a user