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599ded1a7f
Transforms/InstCombine/vec_insertelt.ll and fixes PR1286.
We now compile the code from that bug into:
_foo:
movl 4(%esp), %eax
movdqa (%eax), %xmm0
movl 8(%esp), %ecx
psllw (%ecx), %xmm0
movdqa %xmm0, (%eax)
ret
instead of:
_foo:
subl $4, %esp
movl %ebp, (%esp)
movl %esp, %ebp
movl 12(%ebp), %eax
movdqa (%eax), %xmm0
#IMPLICIT_DEF %eax
pinsrw $2, %eax, %xmm0
xorl %ecx, %ecx
pinsrw $3, %ecx, %xmm0
pinsrw $4, %eax, %xmm0
pinsrw $5, %ecx, %xmm0
pinsrw $6, %eax, %xmm0
pinsrw $7, %ecx, %xmm0
movl 8(%ebp), %eax
movdqa (%eax), %xmm1
psllw %xmm0, %xmm1
movdqa %xmm1, (%eax)
movl %ebp, %esp
popl %ebp
ret
woo :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35788 91177308-0d34-0410-b5e6-96231b3b80d8
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|---|---|---|
| .. | ||
| ADCE.cpp | ||
| BasicBlockPlacement.cpp | ||
| CodeGenPrepare.cpp | ||
| CondPropagate.cpp | ||
| ConstantProp.cpp | ||
| CorrelatedExprs.cpp | ||
| DCE.cpp | ||
| DeadStoreElimination.cpp | ||
| GCSE.cpp | ||
| IndVarSimplify.cpp | ||
| InstructionCombining.cpp | ||
| LICM.cpp | ||
| LoopRotation.cpp | ||
| LoopStrengthReduce.cpp | ||
| LoopUnroll.cpp | ||
| LoopUnswitch.cpp | ||
| LowerGC.cpp | ||
| LowerPacked.cpp | ||
| Makefile | ||
| PredicateSimplifier.cpp | ||
| Reassociate.cpp | ||
| Reg2Mem.cpp | ||
| ScalarReplAggregates.cpp | ||
| SCCP.cpp | ||
| SimplifyCFG.cpp | ||
| TailDuplication.cpp | ||
| TailRecursionElimination.cpp | ||