[llvm] AMDGPU: Use reportFatalUsageError for regalloc flag error (PR #145198)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-amdgpu

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/145198.diff


2 Files Affected:

- (modified) llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp (+2-2) 
- (modified) llvm/test/CodeGen/AMDGPU/sgpr-regalloc-flags.ll (+2-2) 


``````````diff
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
index c28f407391c11..88613cf5eb4cd 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp
@@ -1636,7 +1636,7 @@ static const char RegAllocOptNotSupportedMessage[] =
 
 bool GCNPassConfig::addRegAssignAndRewriteFast() {
   if (!usingDefaultRegAlloc())
-    report_fatal_error(RegAllocOptNotSupportedMessage);
+    reportFatalUsageError(RegAllocOptNotSupportedMessage);
 
   addPass(&GCNPreRALongBranchRegID);
 
@@ -1662,7 +1662,7 @@ bool GCNPassConfig::addRegAssignAndRewriteFast() {
 
 bool GCNPassConfig::addRegAssignAndRewriteOptimized() {
   if (!usingDefaultRegAlloc())
-    report_fatal_error(RegAllocOptNotSupportedMessage);
+    reportFatalUsageError(RegAllocOptNotSupportedMessage);
 
   addPass(&GCNPreRALongBranchRegID);
 
diff --git a/llvm/test/CodeGen/AMDGPU/sgpr-regalloc-flags.ll b/llvm/test/CodeGen/AMDGPU/sgpr-regalloc-flags.ll
index 52ad7e5355207..33585024d81dd 100644
--- a/llvm/test/CodeGen/AMDGPU/sgpr-regalloc-flags.ll
+++ b/llvm/test/CodeGen/AMDGPU/sgpr-regalloc-flags.ll
@@ -9,8 +9,8 @@
 ; RUN: llc -verify-machineinstrs=0 -sgpr-regalloc=basic -mtriple=amdgcn-amd-amdhsa -debug-pass=Structure -o /dev/null %s 2>&1 | FileCheck -check-prefix=BASIC-DEFAULT %s
 ; RUN: llc -verify-machineinstrs=0 -sgpr-regalloc=basic -wwm-regalloc=basic -vgpr-regalloc=basic -mtriple=amdgcn-amd-amdhsa -debug-pass=Structure -o /dev/null %s 2>&1 | FileCheck -check-prefix=BASIC-BASIC %s
 
-; RUN: not --crash llc -verify-machineinstrs=0 -regalloc=basic -mtriple=amdgcn-amd-amdhsa -debug-pass=Structure -o /dev/null %s 2>&1 | FileCheck -check-prefix=REGALLOC %s
-; RUN: not --crash llc -verify-machineinstrs=0 -regalloc=fast -O0 -mtriple=amdgcn-amd-amdhsa -debug-pass=Structure -o /dev/null %s 2>&1 | FileCheck -check-prefix=REGALLOC %s
+; RUN: not llc -verify-machineinstrs=0 -regalloc=basic -mtriple=amdgcn-amd-amdhsa -debug-pass=Structure -o /dev/null %s 2>&1 | FileCheck -check-prefix=REGALLOC %s
+; RUN: not llc -verify-machineinstrs=0 -regalloc=fast -O0 -mtriple=amdgcn-amd-amdhsa -debug-pass=Structure -o /dev/null %s 2>&1 | FileCheck -check-prefix=REGALLOC %s
 
 
 ; REGALLOC: -regalloc not supported with amdgcn. Use -sgpr-regalloc, -wwm-regalloc, and -vgpr-regalloc

``````````

</details>


https://github.com/llvm/llvm-project/pull/145198