[llvm] [SPIRV] Fix trunc nonstandard int types (PR #191393)

[Marcos Maronas via llvm-commits]

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@@ -486,6 +501,39 @@ generateAssignInstrs(MachineFunction &MF, SPIRVGlobalRegistry *GR,
       ST->canUseExtension(SPIRV::Extension::SPV_KHR_bit_instructions) ||
       ST->canUseExtension(SPIRV::Extension::SPV_INTEL_int4);
 
+  if (!IsExtendedInts) {
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maarquitos14 wrote:

Right, I thought we were finishing after this if. Thanks for noticing!

https://github.com/llvm/llvm-project/pull/191393