clang/test/Driver/x86-mgeneral-regs-only-crc32.c

   1 // Test the -mgeneral-regs-only with -mcrc32 option on x86
   2
   3 // RUN: %clang -target i386-unknown-linux-gnu -mgeneral-regs-only %s -### 2>&1 | FileCheck --check-prefix=CMD %s
   4 // RUN: %clang -target x86_64-unknown-linux-gnu -mgeneral-regs-only %s -### 2>&1 | FileCheck --check-prefix=CMD %s
   5 // RUN: %clang -target i386-unknown-linux-gnu -mcrc32 -mavx2 -mgeneral-regs-only %s -### 2>&1 | FileCheck --check-prefixes=CMD,CMD-BEFORE %s
   6 // RUN: %clang -target x86_64-unknown-linux-gnu -mcrc32 -mavx2 -mgeneral-regs-only %s -### 2>&1 | FileCheck --check-prefixes=CMD,CMD-BEFORE %s
   7 // RUN: %clang -target i386-unknown-linux-gnu -mcrc32 -mgeneral-regs-only -mavx2 %s -### 2>&1 | FileCheck --check-prefixes=CMD,CMD-BEFORE %s
   8 // RUN: %clang -target x86_64-unknown-linux-gnu -mcrc32 -mgeneral-regs-only -mavx2 %s -### 2>&1 | FileCheck --check-prefixes=CMD,CMD-BEFORE %s
   9 // RUN: %clang -target i386-unknown-linux-gnu -mavx2 -mgeneral-regs-only -mcrc32 %s -### 2>&1 | FileCheck --check-prefixes=CMD,CMD-AFTER %s
  10 // RUN: %clang -target x86_64-unknown-linux-gnu -mavx2 -mgeneral-regs-only -mcrc32 %s -### 2>&1 | FileCheck --check-prefixes=CMD,CMD-AFTER %s
  11 // RUN: %clang -target i386-unknown-linux-gnu -mgeneral-regs-only -mavx2 -mcrc32 %s -### 2>&1 | FileCheck --check-prefixes=CMD,CMD-AFTER %s
  12 // RUN: %clang -target x86_64-unknown-linux-gnu -mgeneral-regs-only -mavx2 -mcrc32 %s -### 2>&1 | FileCheck --check-prefixes=CMD,CMD-AFTER %s
  13
  14 // RUN: not %clang -target i386-unknown-linux-gnu -mgeneral-regs-only -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  15 // RUN: not %clang -target x86_64-unknown-linux-gnu -mgeneral-regs-only -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  16 // RUN: not %clang -target i386-unknown-linux-gnu -mgeneral-regs-only -mno-crc32 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  17 // RUN: not %clang -target x86_64-unknown-linux-gnu -msse4.2 -mgeneral-regs-only -mno-crc32 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  18 // RUN: not %clang -target i386-unknown-linux-gnu -msse4.2 -mgeneral-regs-only -mno-crc32 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  19 // RUN: not %clang -target x86_64-unknown-linux-gnu -mgeneral-regs-only -mno-crc32 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  20 // RUN: not %clang -target i386-unknown-linux-gnu -msse4.2 -mgeneral-regs-only -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  21 // RUN: not %clang -target x86_64-unknown-linux-gnu -msse4.2 -mgeneral-regs-only -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  22 // RUN: %clang -target i386-unknown-linux-gnu -msse4.2 -mgeneral-regs-only -mcrc32 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-GPR %s
  23 // RUN: %clang -target x86_64-unknown-linux-gnu -msse4.2 -mgeneral-regs-only -mcrc32 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-GPR %s
  24 // RUN: %clang -target i386-unknown-linux-gnu -mcrc32 -mgeneral-regs-only -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-GPR %s
  25 // RUN: %clang -target x86_64-unknown-linux-gnu -mcrc32 -mgeneral-regs-only -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-GPR %s
  26 // RUN: %clang -target i386-unknown-linux-gnu -mgeneral-regs-only -mcrc32 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-GPR %s
  27 // RUN: %clang -target x86_64-unknown-linux-gnu -mgeneral-regs-only -mcrc32 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-GPR %s
  28 // RUN: not %clang -target i386-unknown-linux-gnu -mavx2 -mgeneral-regs-only -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  29 // RUN: not %clang -target x86_64-unknown-linux-gnu -mavx2 -mgeneral-regs-only -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  30 // RUN: %clang -target i386-unknown-linux-gnu -mavx2 -mgeneral-regs-only -mcrc32 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-GPR %s
  31 // RUN: %clang -target x86_64-unknown-linux-gnu -mavx2 -mgeneral-regs-only -S -mcrc32 -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-GPR %s
  32 // RUN: %clang -target i386-unknown-linux-gnu -mgeneral-regs-only -mavx2 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-AVX2 %s
  33 // RUN: %clang -target x86_64-unknown-linux-gnu -mgeneral-regs-only -mavx2 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-AVX2 %s
  34 // RUN: %clang -target i386-unknown-linux-gnu -mcrc32 -mgeneral-regs-only -mavx2 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-AVX2 %s
  35 // RUN: %clang -target x86_64-unknown-linux-gnu -mcrc32 -mgeneral-regs-only -mavx2 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=IR-AVX2 %s
  36 // RUN: not %clang -target i386-unknown-linux-gnu -mno-crc32 -mgeneral-regs-only -mavx2 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  37 // RUN: not %clang -target x86_64-unknown-linux-gnu -mno-crc32 -mgeneral-regs-only -mavx2 -S -emit-llvm %s -o - 2>&1 | FileCheck --check-prefix=ERROR %s
  38
  39 // CMD-BEFORE: "-target-feature" "+crc32"
  40 // CMD: "-target-feature" "-x87"
  41 // CMD: "-target-feature" "-mmx"
  42 // CMD: "-target-feature" "-sse"
  43 // CMD-AFTER: "-target-feature" "+crc32"
  44
  45 unsigned int test__crc32b(unsigned int CRC, unsigned char V) {
  46 // CHECK-LABEL: test__crc32b
  47 // CHECK: call i32 @llvm.x86.sse42.crc32.32.8(i32 %{{.*}}, i8 %{{.*}})
  48   return __builtin_ia32_crc32qi(CRC, V);
  49 }
  50
  51 // ERROR: error: '__builtin_ia32_crc32qi' needs target feature crc32
  52
  53 // IR-GPR: attributes {{.*}} = { {{.*}} "target-features"="{{.*}}+crc32{{.*}}-avx{{.*}}-avx2{{.*}}-avx512f{{.*}}-sse{{.*}}-sse2{{.*}}-ssse3{{.*}}-x87{{.*}}"
  54 // IR-AVX2: attributes {{.*}} = { {{.*}} "target-features"="{{.*}}+avx{{.*}}+avx2{{.*}}+crc32{{.*}}+sse{{.*}}+sse2{{.*}}+ssse3{{.*}}-avx512f{{.*}}-x87{{.*}}"