[llvm] [AMDGPU][True16] fix a bug in codeGen causing e64 with wrong vgpr type to shrink (PR #102942)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Brox Chen (broxigarchen)

<details>
<summary>Changes</summary>

This bug is introduced in https://github.com/llvm/llvm-project/pull/102198

---
Full diff: https://github.com/llvm/llvm-project/pull/102942.diff


1 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp b/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
index 155747551471e..5d38cafd73dd9 100644
--- a/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
+++ b/llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
@@ -1048,7 +1048,7 @@ bool SIShrinkInstructions::runOnMachineFunction(MachineFunction &MF) {
               MachineFunctionProperties::Property::NoVRegs))
         continue;
 
-      if (ST->useRealTrue16Insts() && AMDGPU::isTrue16Inst(MI.getOpcode()) &&
+      if (ST->hasTrue16BitInsts() && AMDGPU::isTrue16Inst(MI.getOpcode()) &&
           !shouldShrinkTrue16(MI))
         continue;
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/102942