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llvm-project/clang/test/Driver/mglobal-merge.c

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[Driver] Properly support -mglobal-merge using explicit options. Follow-up to r234666. With this, the -m[no-]global-merge options have the expected behavior. Previously, -mglobal-merge was ignored, and there was no way of enabling the optimization. llvm-svn: 234668
2015-04-11 08:10:44 +08:00
// RUN: %clang -target armv7-unknown-unknown -### -fsyntax-only %s 2> %t \
// RUN: -mno-global-merge
// RUN: FileCheck --check-prefix=CHECK-NGM-ARM < %t %s
// RUN: %clang -target aarch64-unknown-unknown -### -fsyntax-only %s 2> %t \
// RUN: -mno-global-merge
// RUN: FileCheck --check-prefix=CHECK-NGM-AARCH64 < %t %s
// RUN: %clang -target x86_64-unknown-unknown -### -fsyntax-only %s 2> %t \
// RUN: -mno-global-merge
// RUN: FileCheck --check-prefix=CHECK-NONE < %t %s
// CHECK-NGM-ARM: "-backend-option" "-arm-global-merge=false"
// CHECK-NGM-AARCH64: "-backend-option" "-aarch64-global-merge=false"
// RUN: %clang -target armv7-unknown-unknown -### -fsyntax-only %s 2> %t \
// RUN: -mglobal-merge
// RUN: FileCheck --check-prefix=CHECK-GM-ARM < %t %s
// RUN: %clang -target aarch64-unknown-unknown -### -fsyntax-only %s 2> %t \
// RUN: -mglobal-merge
// RUN: FileCheck --check-prefix=CHECK-GM-AARCH64 < %t %s
// RUN: %clang -target x86_64-unknown-unknown -### -fsyntax-only %s 2> %t \
// RUN: -mglobal-merge
// RUN: FileCheck --check-prefix=CHECK-NONE < %t %s
// CHECK-GM-ARM: "-backend-option" "-arm-global-merge=true"
// CHECK-GM-AARCH64: "-backend-option" "-aarch64-global-merge=true"
// RUN: %clang -target armv7-unknown-unknown -### -fsyntax-only %s 2> %t
// RUN: FileCheck --check-prefix=CHECK-NONE < %t %s
// RUN: %clang -target aarch64-unknown-unknown -### -fsyntax-only %s 2> %t
// RUN: FileCheck --check-prefix=CHECK-NONE < %t %s
// RUN: %clang -target x86_64-unknown-unknown -### -fsyntax-only %s 2> %t
// RUN: FileCheck --check-prefix=CHECK-NONE < %t %s
// CHECK-NONE-NOT: -global-merge=