[llvm-branch-commits] [llvm] AMDGPU/GlobalISel: add RegBankLegalize rules for bit shifts and sext-inreg (PR #132385)

[Petar Avramovic via llvm-branch-commits]

================
@@ -310,7 +310,7 @@ bool 
AMDGPURegBankLegalize::runOnMachineFunction(MachineFunction &MF) {
     // Opcodes that support pretty much all combinations of reg banks and LLTs
     // (except S1). There is no point in writing rules for them.
     if (Opc == AMDGPU::G_BUILD_VECTOR || Opc == AMDGPU::G_UNMERGE_VALUES ||
-        Opc == AMDGPU::G_MERGE_VALUES) {
+        Opc == AMDGPU::G_MERGE_VALUES || Opc == G_BITCAST) {
----------------
petar-avramovic wrote:

Yes, although freeze will have some complications for i1

https://github.com/llvm/llvm-project/pull/132385
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