================
@@ -225,6 +215,25 @@ static Intrinsic::ID
getWaveActiveMaxIntrinsic(llvm::Triple::ArchType Arch,
}
}
+// Return wave active min that corresponds to the QT scalar type
+static Intrinsic::ID getWaveActiveMinIntrinsic(llvm::Triple::ArchType Arch,
+ CGHLSLRuntime &RT, QualType QT)
{
+ switch (Arch) {
+ case llvm::Triple::spirv:
+ if (QT->isUnsignedIntegerType())
+ return Intrinsic::spv_wave_reduce_umin;
----------------
KungFuDonkey wrote:
That is because of the conditional for unsigned integers (min vs umin). We'd
need to add a macro that can do that, but this would for instance not handle
the Sum, which would need its own macro...
I'd rather not try to figure that out here
https://github.com/llvm/llvm-project/pull/164385
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