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Fix crash introduced in 116852. 8573915.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116955 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2010-10-20 22:03:37 +00:00
parent 0b62f95ea8
commit e4d31593c5
2 changed files with 20 additions and 2 deletions
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5
lib/Target/ARM/ARMISelLowering.cpp
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@ -3457,8 +3457,9 @@ static SDValue LowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG,
Op.getOperand(i)));
SDValue Val = DAG.getNode(ISD::BUILD_VECTOR, dl, MVT::v4i32, &Ops[0],
NumElts);
return DAG.getNode(ISD::BIT_CONVERT, dl, VT,
LowerBUILD_VECTOR(Val, DAG, ST));
Val = LowerBUILD_VECTOR(Val, DAG, ST);
if (Val.getNode())
return DAG.getNode(ISD::BIT_CONVERT, dl, VT, Val);
}
SDValue Val = IsSingleInstrConstant(Value, DAG, ST, dl);
if (Val.getNode())

17
test/CodeGen/Thumb2/buildvector-crash.ll Normal file
View File

@ -0,0 +1,17 @@
; RUN: llc < %s -O3 -mtriple=thumbv7-apple-darwin10 -mcpu=cortex-a8 | FileCheck %s
; Formerly crashed, 3573915.
define void @RotateStarsFP_Vec() nounwind {
bb.nph372:
br label %bb8
bb8: ; preds = %bb8, %bb.nph372
%0 = fadd <4 x float> undef, <float 0xBFEE353F80000000, float 0xBFEE353F80000000, float 0xBFEE353F80000000, float 0xBFEE353F80000000>
%1 = fmul <4 x float> %0, undef
%2 = fmul <4 x float> %1, undef
%3 = fadd <4 x float> undef, %2
store <4 x float> %3, <4 x float>* undef, align 4
br label %bb8
; CHECK: RotateStarsFP_Vec:
; CHECK: vldmia
}