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JIT: Enable strength reduction by default #105131

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Merged
merged 2 commits into from
Jul 19, 2024
Merged

JIT: Enable strength reduction by default #105131

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db13f39
JIT: Enable strength reduction by default
jakobbotsch Jul 19, 2024
497f2d2
Only run IV opts when doing assertion prop
jakobbotsch Jul 19, 2024
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2 changes: 1 addition & 1 deletion src/coreclr/jit/compiler.cpp
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Expand Up @@ -5065,7 +5065,7 @@ void Compiler::compCompile(void** methodCodePtr, uint32_t* methodCodeSize, JitFl
doAssertionProp = doValueNum && (JitConfig.JitDoAssertionProp() != 0);
doVNBasedIntrinExpansion = doValueNum;
doRangeAnalysis = doAssertionProp && (JitConfig.JitDoRangeAnalysis() != 0);
doOptimizeIVs = doValueNum && (JitConfig.JitDoOptimizeIVs() != 0);
doOptimizeIVs = doAssertionProp && (JitConfig.JitDoOptimizeIVs() != 0);
doVNBasedDeadStoreRemoval = doValueNum && (JitConfig.JitDoVNBasedDeadStoreRemoval() != 0);
#endif // defined(OPT_CONFIG)

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2 changes: 1 addition & 1 deletion src/coreclr/jit/jitconfigvalues.h
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Expand Up @@ -773,7 +773,7 @@ RELEASE_CONFIG_INTEGER(JitEnableCrossBlockLocalAssertionProp, W("JitEnableCrossB
RELEASE_CONFIG_INTEGER(JitDoReversePostOrderLayout, W("JitDoReversePostOrderLayout"), 1);

// Enable strength reduction
RELEASE_CONFIG_INTEGER(JitEnableStrengthReduction, W("JitEnableStrengthReduction"), 0)
RELEASE_CONFIG_INTEGER(JitEnableStrengthReduction, W("JitEnableStrengthReduction"), 1)

// JitFunctionFile: Name of a file that contains a list of functions. If the currently compiled function is in the
// file, certain other JIT config variables will be active. If the currently compiled function is not in the file,
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