[llvm] 3ae5f74 - AMDGPU: Don't try to create pointer bitcasts in kernarg lowering

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2023-04-29T10:04:45-04:00
New Revision: 3ae5f74f5476afeae5c94480d0cac86bcb80ded6

URL: https://github.com/llvm/llvm-project/commit/3ae5f74f5476afeae5c94480d0cac86bcb80ded6
DIFF: https://github.com/llvm/llvm-project/commit/3ae5f74f5476afeae5c94480d0cac86bcb80ded6.diff

LOG: AMDGPU: Don't try to create pointer bitcasts in kernarg lowering

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp b/llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp
index f3ff9b753585..90aeb4a4d1da 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPULowerKernelArguments.cpp
@@ -86,7 +86,6 @@ bool AMDGPULowerKernelArguments::runOnFunction(Function &F) {
   KernArgSegment->addRetAttr(
       Attribute::getWithDereferenceableBytes(Ctx, TotalKernArgSize));
 
-  unsigned AS = KernArgSegment->getType()->getPointerAddressSpace();
   uint64_t ExplicitArgOffset = 0;
 
   for (Argument &Arg : F.args()) {
@@ -170,8 +169,6 @@ bool AMDGPULowerKernelArguments::runOnFunction(Function &F) {
       AdjustedArgTy = V4Ty;
     }
 
-    ArgPtr = Builder.CreateBitCast(ArgPtr, AdjustedArgTy->getPointerTo(AS),
-                                   ArgPtr->getName() + ".cast");
     LoadInst *Load =
         Builder.CreateAlignedLoad(AdjustedArgTy, ArgPtr, AdjustedAlign);
     Load->setMetadata(LLVMContext::MD_invariant_load, MDNode::get(Ctx, {}));