[llvm] [SPIRV] Added support for the constrained arithmetic intrinsic (PR #157441)

[Matt Arsenault via llvm-commits]

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@@ -193,7 +193,7 @@ SPIRVLegalizerInfo::SPIRVLegalizerInfo(const SPIRVSubtarget &ST) {
       .legalFor(allIntScalarsAndVectors)
       .legalIf(extendedScalarsAndVectors);
 
-  getActionDefinitionsBuilder({G_FMA, G_STRICT_FMA})
+  getActionDefinitionsBuilder({G_FMA, G_STRICT_FMA, G_STRICT_FMULADD})
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arsenm wrote:

This should be lowered 

https://github.com/llvm/llvm-project/pull/157441