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JIT: Model GetFfr* with a special side effect and handle it in VN #105973

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merged 4 commits into from
Aug 10, 2024
Merged

JIT: Model GetFfr* with a special side effect and handle it in VN #105973

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205071a
JIT: Model GetFfr* with a special side effect and handle it in VN
jakobbotsch Aug 5, 2024
5da9aea
Merge branch 'main' into fix-getffr-modelling
jakobbotsch Aug 7, 2024
7d93673
Add proper flags for GetFfr as well
jakobbotsch Aug 9, 2024
e829a47
Add a test
jakobbotsch Aug 9, 2024
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8 changes: 8 additions & 0 deletions src/coreclr/jit/fgdiagnostic.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3436,6 +3436,14 @@ void Compiler::fgDebugCheckFlags(GenTree* tree, BasicBlock* block)
case NI_Sve_PrefetchInt16:
case NI_Sve_PrefetchInt32:
case NI_Sve_PrefetchInt64:
case NI_Sve_GetFfrByte:
case NI_Sve_GetFfrInt16:
case NI_Sve_GetFfrInt32:
case NI_Sve_GetFfrInt64:
case NI_Sve_GetFfrSByte:
case NI_Sve_GetFfrUInt16:
case NI_Sve_GetFfrUInt32:
case NI_Sve_GetFfrUInt64:
case NI_Sve_SetFfr:
{
assert(tree->OperRequiresCallFlag(this));
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16 changes: 16 additions & 0 deletions src/coreclr/jit/gentree.cpp
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Expand Up @@ -27262,6 +27262,14 @@ bool GenTreeHWIntrinsic::OperRequiresCallFlag() const
case NI_Sve_GatherPrefetch32Bit:
case NI_Sve_GatherPrefetch64Bit:
case NI_Sve_GatherPrefetch8Bit:
case NI_Sve_GetFfrByte:
case NI_Sve_GetFfrInt16:
case NI_Sve_GetFfrInt32:
case NI_Sve_GetFfrInt64:
case NI_Sve_GetFfrSByte:
case NI_Sve_GetFfrUInt16:
case NI_Sve_GetFfrUInt32:
case NI_Sve_GetFfrUInt64:
case NI_Sve_SetFfr:
{
return true;
Expand Down Expand Up @@ -27453,6 +27461,14 @@ void GenTreeHWIntrinsic::Initialize(NamedIntrinsic intrinsicId)
case NI_Sve_PrefetchInt16:
case NI_Sve_PrefetchInt32:
case NI_Sve_PrefetchInt64:
case NI_Sve_GetFfrByte:
case NI_Sve_GetFfrInt16:
case NI_Sve_GetFfrInt32:
case NI_Sve_GetFfrInt64:
case NI_Sve_GetFfrSByte:
case NI_Sve_GetFfrUInt16:
case NI_Sve_GetFfrUInt32:
case NI_Sve_GetFfrUInt64:
case NI_Sve_SetFfr:
{
// Mark as a call and global reference, much as is done for GT_KEEPALIVE
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