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

[Matt Arsenault via llvm-commits]

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

None

>From e1a589f3452041d9304c6574549ff17711fad276 Mon Sep 17 00:00:00 2001
From: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: Sun, 22 Jun 2025 10:01:05 +0900
Subject: [PATCH] AMDGPU: Use reportFatalUsageError for regalloc flag error

---
 llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp  | 4 ++--
 llvm/test/CodeGen/AMDGPU/sgpr-regalloc-flags.ll | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

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