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[NFC]Format patch file for Windows #570

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Merged
merged 1 commit into from
Nov 18, 2024
Merged

[NFC]Format patch file for Windows #570

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10 changes: 5 additions & 5 deletions patches/llvm-project-perf/0002-ARM-Codegen-Set-LDM-STM-inlining-preference-for-v7m.patch
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ index e7ea10ff971a..09ed4ab219a1 100644
@@ -30,6 +30,10 @@ cl::opt<TPLoop::MemTransfer> EnableMemtransferTPLoop(
"Allow (may be subject to certain conditions) "
"conversion of memcpy to TP loop.")));

+static cl::opt<bool> EnableInlineMemcpyAsLdSt(
+ "enable-inline-memcpy-ld-st", cl::init(false), cl::Hidden,
+ cl::desc("Inline memcpy with LD/ST instructions."));
Expand All @@ -34,7 +34,7 @@ index e7ea10ff971a..09ed4ab219a1 100644
@@ -136,6 +140,118 @@ SDValue ARMSelectionDAGInfo::EmitSpecializedLibcall(
return CallResult.second;
}

+SDValue ARMSelectionDAGInfo::EmitMemcpyAsLdSt(
+ SelectionDAG &DAG, SDLoc dl, const ARMSubtarget &Subtarget, SDValue Chain,
+ SDValue Dst, SDValue Src, uint64_t SizeVal, bool isVolatile,
Expand Down Expand Up @@ -153,7 +153,7 @@ index e7ea10ff971a..09ed4ab219a1 100644
@@ -190,6 +306,10 @@ SDValue ARMSelectionDAGInfo::EmitTargetCodeForMemcpy(
return EmitSpecializedLibcall(DAG, dl, Chain, Dst, Src, Size,
Alignment.value(), RTLIB::MEMCPY);

+ if (EnableInlineMemcpyAsLdSt && Subtarget.isMClass() && Subtarget.hasV7Ops())
+ return EmitMemcpyAsLdSt(DAG, dl, Subtarget, Chain, Dst, Src, SizeVal,
+ isVolatile, DstPtrInfo, SrcPtrInfo);
Expand All @@ -168,7 +168,7 @@ index 275b1c0f8dc0..6ff422c15b12 100644
@@ -44,6 +44,12 @@ public:
MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo) const override;

+ SDValue EmitMemcpyAsLdSt(SelectionDAG &DAG, SDLoc dl,
+ const ARMSubtarget &Subtarget, SDValue Chain,
+ SDValue Dst, SDValue Src, uint64_t SizeVal,
Expand Down Expand Up @@ -345,6 +345,6 @@ index 000000000000..12f74c04087e
+ tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %1, i8* %3, i32 28, i32 4, i1 false)
+ ret void
+}
--
--
2.34.1

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