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Add support for calls with i128 return values on ppc64.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48041 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-03-08 00:19:12 +00:00
parent d93ae242d3
commit a2fcff4d97
2 changed files with 49 additions and 3 deletions
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16
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -2015,9 +2015,19 @@ SDOperand PPCTargetLowering::LowerCALL(SDOperand Op, SelectionDAG &DAG,
NodeTys.push_back(MVT::i32);
break;
case MVT::i64:
Chain = DAG.getCopyFromReg(Chain, PPC::X3, MVT::i64, InFlag).getValue(1);
ResultVals[0] = Chain.getValue(0);
NumResults = 1;
if (Op.Val->getValueType(1) == MVT::i64) {
Chain = DAG.getCopyFromReg(Chain, PPC::X3, MVT::i64, InFlag).getValue(1);
ResultVals[0] = Chain.getValue(0);
Chain = DAG.getCopyFromReg(Chain, PPC::X4, MVT::i64,
Chain.getValue(2)).getValue(1);
ResultVals[1] = Chain.getValue(0);
NumResults = 2;
NodeTys.push_back(MVT::i64);
} else {
Chain = DAG.getCopyFromReg(Chain, PPC::X3, MVT::i64, InFlag).getValue(1);
ResultVals[0] = Chain.getValue(0);
NumResults = 1;
}
NodeTys.push_back(MVT::i64);
break;
case MVT::f64:

36
test/CodeGen/PowerPC/return-val-i128.ll Normal file
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@ -0,0 +1,36 @@
; RUN: llvm-as < %s | llc -march=ppc64
define i128 @__fixsfdi(float %a) {
entry:
%a_addr = alloca float ; <float*> [#uses=4]
%retval = alloca i128, align 16 ; <i128*> [#uses=2]
%tmp = alloca i128, align 16 ; <i128*> [#uses=3]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
store float %a, float* %a_addr
%tmp1 = load float* %a_addr, align 4 ; <float> [#uses=1]
%tmp2 = fcmp olt float %tmp1, 0.000000e+00 ; <i1> [#uses=1]
%tmp23 = zext i1 %tmp2 to i8 ; <i8> [#uses=1]
%toBool = icmp ne i8 %tmp23, 0 ; <i1> [#uses=1]
br i1 %toBool, label %bb, label %bb8
bb: ; preds = %entry
%tmp4 = load float* %a_addr, align 4 ; <float> [#uses=1]
%tmp5 = sub float -0.000000e+00, %tmp4 ; <float> [#uses=1]
%tmp6 = call i128 @__fixunssfDI( float %tmp5 ) nounwind ; <i128> [#uses=1]
%tmp7 = sub i128 0, %tmp6 ; <i128> [#uses=1]
store i128 %tmp7, i128* %tmp, align 16
br label %bb11
bb8: ; preds = %entry
%tmp9 = load float* %a_addr, align 4 ; <float> [#uses=1]
%tmp10 = call i128 @__fixunssfDI( float %tmp9 ) nounwind ; <i128> [#uses=1]
store i128 %tmp10, i128* %tmp, align 16
br label %bb11
bb11: ; preds = %bb8, %bb
%tmp12 = load i128* %tmp, align 16 ; <i128> [#uses=1]
store i128 %tmp12, i128* %retval, align 16
br label %return
return: ; preds = %bb11
%retval13 = load i128* %retval ; <i128> [#uses=1]
ret i128 %retval13
}
declare i128 @__fixunssfDI(float)