[PATCH] D54818: [SelectionDAG] Teach BaseIndexOffset::match to unwrap the base after looking through an add/or
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Mon Nov 26 12:19:29 PST 2018
This revision was automatically updated to reflect the committed changes.
Closed by commit rL347591: [SelectionDAG] Teach BaseIndexOffset::match to unwrap the base after looking… (authored by ctopper, committed by ).
Changed prior to commit:
https://reviews.llvm.org/D54818?vs=174991&id=175313#toc
Repository:
rL LLVM
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D54818/new/
https://reviews.llvm.org/D54818
Files:
llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGAddressAnalysis.cpp
llvm/trunk/test/CodeGen/X86/consecutive-load-shuffle.ll
Index: llvm/trunk/test/CodeGen/X86/consecutive-load-shuffle.ll
===================================================================
--- llvm/trunk/test/CodeGen/X86/consecutive-load-shuffle.ll
+++ llvm/trunk/test/CodeGen/X86/consecutive-load-shuffle.ll
@@ -11,9 +11,8 @@
define void @foo2() {
; CHECK-LABEL: foo2:
; CHECK: # %bb.0: # %entry
-; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
-; CHECK-NEXT: movhpd {{.*#+}} xmm0 = xmm0[0],mem[0]
-; CHECK-NEXT: movapd %xmm0, {{.*}}(%rip)
+; CHECK-NEXT: movaps {{.*}}(%rip), %xmm0
+; CHECK-NEXT: movaps %xmm0, {{.*}}(%rip)
; CHECK-NEXT: retq
entry:
%0 = load <2 x float>, <2 x float>* bitcast (float* getelementptr inbounds ([4 x float], [4 x float]* @f, i64 0, i64 2) to <2 x float>*), align 8
Index: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGAddressAnalysis.cpp
===================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGAddressAnalysis.cpp
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGAddressAnalysis.cpp
@@ -107,14 +107,14 @@
if (auto *C = dyn_cast<ConstantSDNode>(Base->getOperand(1)))
if (DAG.MaskedValueIsZero(Base->getOperand(0), C->getAPIntValue())) {
Offset += C->getSExtValue();
- Base = Base->getOperand(0);
+ Base = DAG.getTargetLoweringInfo().unwrapAddress(Base->getOperand(0));
continue;
}
break;
case ISD::ADD:
if (auto *C = dyn_cast<ConstantSDNode>(Base->getOperand(1))) {
Offset += C->getSExtValue();
- Base = Base->getOperand(0);
+ Base = DAG.getTargetLoweringInfo().unwrapAddress(Base->getOperand(0));
continue;
}
break;
@@ -130,7 +130,7 @@
Offset -= Off;
else
Offset += Off;
- Base = LSBase->getBasePtr();
+ Base = DAG.getTargetLoweringInfo().unwrapAddress(LSBase->getBasePtr());
continue;
}
break;
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