clang/test/CodeGen/arm-thumb-mode-target-feature.c

   1 // REQUIRES: arm-registered-target
   2
   3 // RUN: %clang_cc1 -triple thumbv7-linux-gnueabihf -emit-llvm -o - %s | FileCheck --check-prefix THUMB %s
   4 // RUN: %clang_cc1 -triple thumbv7eb-linux-gnueabihf -emit-llvm -o - %s | FileCheck --check-prefix THUMB %s
   5 // RUN: %clang -target armv7-linux-gnueabihf -mthumb -S -emit-llvm -o - %s | FileCheck --check-prefix THUMB-CLANG %s
   6 // RUN: %clang_cc1 -triple armv7-linux-gnueabihf -emit-llvm -o - %s | FileCheck --check-prefix ARM %s
   7 // RUN: %clang_cc1 -triple armv7eb-linux-gnueabihf -emit-llvm -o - %s | FileCheck --check-prefix ARM %s
   8
   9 void t1() {}
  10
  11  __attribute__((target("no-thumb-mode")))
  12 void t2() {}
  13
  14  __attribute__((target("thumb-mode")))
  15 void t3() {}
  16
  17 // THUMB: void @t1() [[ThumbAttr:#[0-7]]]
  18 // THUMB: void @t2() [[NoThumbAttr:#[0-7]]]
  19 // THUMB: void @t3() [[ThumbAttr:#[0-7]]]
  20 // THUMB: attributes [[ThumbAttr]] = { {{.*}} "target-features"="+armv7-a,+thumb-mode"
  21 // THUMB: attributes [[NoThumbAttr]] = { {{.*}} "target-features"="+armv7-a,-thumb-mode"
  22 //
  23 // THUMB-CLANG: void @t1() [[ThumbAttr:#[0-7]]]
  24 // THUMB-CLANG: void @t2() [[NoThumbAttr:#[0-7]]]
  25 // THUMB-CLANG: void @t3() [[ThumbAttr:#[0-7]]]
  26 // THUMB-CLANG: attributes [[ThumbAttr]] = { {{.*}} "target-features"="{{.*}}+thumb-mode
  27 // THUMB-CLANG: attributes [[NoThumbAttr]] = { {{.*}} "target-features"="{{.*}}-thumb-mode
  28
  29 // ARM: void @t1() [[NoThumbAtr:#[0-7]]]
  30 // ARM: void @t2() [[NoThumbAttr:#[0-7]]]
  31 // ARM: void @t3() [[ThumbAttr:#[0-7]]]
  32 // ARM: attributes [[NoThumbAttr]] = { {{.*}} "target-features"="+armv7-a,-thumb-mode"
  33 // ARM: attributes [[ThumbAttr]] = { {{.*}} "target-features"="+armv7-a,+thumb-mode"