[PATCH] D122804: [AMDGPU] Only count global-to-global as indirect accesses

[Jay Foad via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGc246b7bd4a51: [AMDGPU] Only count global-to-global as indirect accesses (authored by foad).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D122804/new/

https://reviews.llvm.org/D122804

Files:
  llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp
  llvm/test/CodeGen/AMDGPU/perfhint.ll
  llvm/test/CodeGen/AMDGPU/schedule-regpressure-limit2.ll


Index: llvm/test/CodeGen/AMDGPU/schedule-regpressure-limit2.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/schedule-regpressure-limit2.ll
+++ llvm/test/CodeGen/AMDGPU/schedule-regpressure-limit2.ll
@@ -6,8 +6,8 @@
 ; SI-MINREG: NumSgprs: {{[1-9]$}}
 ; SI-MINREG: NumVgprs: {{[1-9]$}}
 
-; SI-MAXOCC: NumSgprs: {{[0-4][0-9]$}}
-; SI-MAXOCC: NumVgprs: {{[0-4][0-9]$}}
+; SI-MAXOCC: NumSgprs: {{[1-4]?[0-9]$}}
+; SI-MAXOCC: NumVgprs: {{[1-4]?[0-9]$}}
 
 ; stores may alias loads
 ; VI: NumSgprs: {{[0-9]$}}
Index: llvm/test/CodeGen/AMDGPU/perfhint.ll
===================================================================
--- llvm/test/CodeGen/AMDGPU/perfhint.ll
+++ llvm/test/CodeGen/AMDGPU/perfhint.ll
@@ -75,10 +75,9 @@
   ret void
 }
 
-; FIXME: This test was intended to be WaveLimiterHint : 0
 ; GCN-LABEL: {{^}}test_indirect_through_phi:
 ; GCN: MemoryBound: 0
-; GCN: WaveLimiterHint : 1
+; GCN: WaveLimiterHint : 0
 define amdgpu_kernel void @test_indirect_through_phi(float addrspace(1)* %arg) {
 bb:
   %load = load float, float addrspace(1)* %arg, align 8
Index: llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp
+++ llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp
@@ -153,7 +153,7 @@
 
     if (auto LD = dyn_cast<LoadInst>(V)) {
       auto M = LD->getPointerOperand();
-      if (isGlobalAddr(M) || isLocalAddr(M) || isConstantAddr(M)) {
+      if (isGlobalAddr(M)) {
         LLVM_DEBUG(dbgs() << "    is IA\n");
         return true;
       }


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D122804.419731.patch
Type: text/x-patch
Size: 1631 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220401/0449588d/attachment.bin>