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ARM64: fix lowering of fp128 fptosi/fptoui 

We were creating libcall nodes that returned an MVT::f128, when these
particular operations actually return an int of some stripe.

llvm-svn: 205425
This commit is contained in:
Tim Northover 2014-04-02 14:39:07 +00:00
parent 670df3d937
commit 0d80f70530
2 changed files with 54 additions and 1 deletions
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7
llvm/lib/Target/ARM64/ARM64ISelLowering.cpp
View File

@ -1812,7 +1812,12 @@ SDValue ARM64TargetLowering::LowerFP_TO_INT(SDValue Op,
else else
LC = RTLIB::getFPTOUINT(Op.getOperand(0).getValueType(), Op.getValueType()); LC = RTLIB::getFPTOUINT(Op.getOperand(0).getValueType(), Op.getValueType());
return LowerF128Call(Op, DAG, LC); SmallVector<SDValue, 2> Ops;
for (unsigned i = 0, e = Op->getNumOperands(); i != e; ++i)
Ops.push_back(Op.getOperand(i));
return makeLibCall(DAG, LC, Op.getValueType(), &Ops[0], Ops.size(), false,
SDLoc(Op)).first;
} }
static SDValue LowerVectorINT_TO_FP(SDValue Op, SelectionDAG &DAG) { static SDValue LowerVectorINT_TO_FP(SDValue Op, SelectionDAG &DAG) {

48
llvm/test/CodeGen/ARM64/illegal-float-ops.ll
View File

@ -245,3 +245,51 @@ define void @test_fmuladd(fp128 %fp128) {
ret void ret void
} }
define i32 @test_fptosi32(fp128 %a) {
; CHECK-LABEL: test_fptosi32:
; CHECK: bl __fixtfsi
%conv.i = fptosi fp128 %a to i32
%b = add nsw i32 %conv.i, 48
ret i32 %b
}
define i64 @test_fptosi64(fp128 %a) {
; CHECK-LABEL: test_fptosi64:
; CHECK: bl __fixtfdi
%conv.i = fptosi fp128 %a to i64
%b = add nsw i64 %conv.i, 48
ret i64 %b
}
define i128 @test_fptosi128(fp128 %a) {
; CHECK-LABEL: test_fptosi128:
; CHECK: bl __fixtfti
%conv.i = fptosi fp128 %a to i128
%b = add nsw i128 %conv.i, 48
ret i128 %b
}
define i32 @test_fptoui32(fp128 %a) {
; CHECK-LABEL: test_fptoui32:
; CHECK: bl __fixunstfsi
%conv.i = fptoui fp128 %a to i32
%b = add nsw i32 %conv.i, 48
ret i32 %b
}
define i64 @test_fptoui64(fp128 %a) {
; CHECK-LABEL: test_fptoui64:
; CHECK: bl __fixunstfdi
%conv.i = fptoui fp128 %a to i64
%b = add nsw i64 %conv.i, 48
ret i64 %b
}
define i128 @test_fptoui128(fp128 %a) {
; CHECK-LABEL: test_fptoui128:
; CHECK: bl __fixunstfti
%conv.i = fptoui fp128 %a to i128
%b = add nsw i128 %conv.i, 48
ret i128 %b
}