AMDGPU: Use reportFatalUsageError for unsupported disassembly error (#145264)

Author: arsenm

llvm/lib/Target/AMDGPU/Disassembler/AMDGPUDisassembler.cpp

@@ -58,7 +58,7 @@ AMDGPUDisassembler::AMDGPUDisassembler(const MCSubtargetInfo &STI,
       CodeObjectVersion(AMDGPU::getDefaultAMDHSACodeObjectVersion()) {
   // ToDo: AMDGPUDisassembler supports only VI ISA.
   if (!STI.hasFeature(AMDGPU::FeatureGCN3Encoding) && !isGFX10Plus())
-    report_fatal_error("Disassembly not yet supported for subtarget");
+    reportFatalUsageError("disassembly not yet supported for subtarget");
 
   for (auto [Symbol, Code] : AMDGPU::UCVersion::getGFXVersions())
     createConstantSymbolExpr(Symbol, Code);

llvm/test/MC/Disassembler/AMDGPU/si-support.txt

@@ -1,4 +1,5 @@
-# RUN: not --crash llvm-mc -triple=amdgcn -mcpu=tahiti -disassemble < %s 2>&1 | FileCheck %s
+# RUN: not llvm-mc -triple=amdgcn -mcpu=tahiti -disassemble < %s 2>&1 | FileCheck %s
+# RUN: not llvm-mc -triple=amdgcn -mcpu=bonaire -disassemble < %s 2>&1 | FileCheck %s
 
-# CHECK: LLVM ERROR: Disassembly not yet supported for subtarget
+# CHECK: LLVM ERROR: disassembly not yet supported for subtarget
 0x00 0x00 0x00 0x7e