text: // REQUIRES: x86-registered-target,aarch64-registered-target
  
  // RUN: %clang -fglobal-isel -S -### %s 2>&1 | FileCheck --check-prefix=ENABLED %s
  // RUN: %clang -fno-global-isel -S -### %s 2>&1 | FileCheck --check-prefix=DISABLED %s
  
  // RUN: %clang -target aarch64 -fglobal-isel -S %s -### 2>&1 | FileCheck --check-prefix=ARM64-DEFAULT %s
  // RUN: %clang -target aarch64 -fglobal-isel -S -O0 %s -### 2>&1 | FileCheck --check-prefix=ARM64-O0 %s
  // RUN: %clang -target aarch64 -fglobal-isel -S -O2 %s -### 2>&1 | FileCheck --check-prefix=ARM64-O2 %s
  // RUN: %clang -target aarch64 -fglobal-isel -Wno-global-isel -S -O2 %s -### 2>&1 | FileCheck --check-prefix=ARM64-O2-NOWARN %s
  
  // RUN: %clang -target x86_64 -fglobal-isel -S %s -### 2>&1 | FileCheck --check-prefix=X86_64 %s
  
  // Now test the aliases.
  
  // RUN: %clang -fexperimental-isel -S -### %s 2>&1 | FileCheck --check-prefix=ENABLED %s
  // RUN: %clang -fno-experimental-isel -S -### %s 2>&1 | FileCheck --check-prefix=DISABLED %s
  
  // RUN: %clang -target aarch64 -fexperimental-isel -S %s -### 2>&1 | FileCheck --check-prefix=ARM64-DEFAULT %s
  // RUN: %clang -target aarch64 -fexperimental-isel -S -O0 %s -### 2>&1 | FileCheck --check-prefix=ARM64-O0 %s
  // RUN: %clang -target aarch64 -fexperimental-isel -S -O2 %s -### 2>&1 | FileCheck --check-prefix=ARM64-O2 %s
  
  // RUN: %clang -target x86_64 -fexperimental-isel -S %s -### 2>&1 | FileCheck --check-prefix=X86_64 %s
  
  // ENABLED: "-mllvm" "-global-isel=1"
  // DISABLED: "-mllvm" "-global-isel=0"
  
  // ARM64-DEFAULT-NOT: warning: -fglobal-isel
  // ARM64-DEFAULT-NOT: "-global-isel-abort=2"
  // ARM64-O0-NOT: warning: -fglobal-isel
  // ARM64-O2: warning: -fglobal-isel support is incomplete for this architecture at the current optimization level
  // ARM64-O2: "-mllvm" "-global-isel-abort=2"
  // ARM64-O2-NOWARN-NOT: warning: -fglobal-isel
  
  // X86_64: -fglobal-isel support for the 'x86_64' architecture is incomplete
  // X86_64: "-mllvm" "-global-isel-abort=2"
  