[llvm] AMDGPU: Remove redundant inline constant check (PR #127582)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>

We don't really care of this is an inline constant, only if it
will be legal.

---
Full diff: https://github.com/llvm/llvm-project/pull/127582.diff


1 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/SIFoldOperands.cpp (+2-4) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
index 999553bfaff38..7c08a21dea3b8 100644
--- a/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
+++ b/llvm/lib/Target/AMDGPU/SIFoldOperands.cpp
@@ -824,8 +824,7 @@ bool SIFoldOperandsImpl::tryToFoldACImm(
     return false;
 
   uint8_t OpTy = Desc.operands()[UseOpIdx].OperandType;
-  if (OpToFold.isImm() && TII->isInlineConstant(OpToFold, OpTy) &&
-      TII->isOperandLegal(*UseMI, UseOpIdx, &OpToFold)) {
+  if (OpToFold.isImm() && TII->isOperandLegal(*UseMI, UseOpIdx, &OpToFold)) {
     UseMI->getOperand(UseOpIdx).ChangeToImmediate(OpToFold.getImm());
     return true;
   }
@@ -845,8 +844,7 @@ bool SIFoldOperandsImpl::tryToFoldACImm(
   MachineOperand &UseOp = UseMI->getOperand(UseOpIdx);
   if (!UseOp.getSubReg() && Def && TII->isFoldableCopy(*Def)) {
     MachineOperand &DefOp = Def->getOperand(1);
-    if (DefOp.isImm() && TII->isInlineConstant(DefOp, OpTy) &&
-        TII->isOperandLegal(*UseMI, UseOpIdx, &DefOp)) {
+    if (DefOp.isImm() && TII->isOperandLegal(*UseMI, UseOpIdx, &DefOp)) {
       UseMI->getOperand(UseOpIdx).ChangeToImmediate(DefOp.getImm());
       return true;
     }

``````````

</details>


https://github.com/llvm/llvm-project/pull/127582