clang/test/Driver/loongarch-munaligned-access.c

   1 /// Test -m[no-]unaligned-access and -m[no-]strict-align options.
   2
   3 // RUN: %clang --target=loongarch64 -mstrict-align -fsyntax-only %s -### 2>&1 | \
   4 // RUN:   FileCheck %s --check-prefix=CC1-NO-UNALIGNED
   5 // RUN: %clang --target=loongarch64 -mno-strict-align -fsyntax-only %s -### 2>&1 | \
   6 // RUN:   FileCheck %s --check-prefix=CC1-UNALIGNED
   7 // RUN: %clang --target=loongarch64 -mstrict-align -mno-strict-align -fsyntax-only %s -### 2>&1 | \
   8 // RUN:   FileCheck %s --check-prefix=CC1-UNALIGNED
   9 // RUN: %clang --target=loongarch64 -mno-strict-align -mstrict-align -fsyntax-only %s -### 2>&1 | \
  10 // RUN:   FileCheck %s --check-prefix=CC1-NO-UNALIGNED
  11
  12 // RUN: %clang --target=loongarch64 -mstrict-align -S -emit-llvm %s -o - | \
  13 // RUN:   FileCheck %s --check-prefix=IR-NO-UNALIGNED
  14 // RUN: %clang --target=loongarch64 -mno-strict-align -S -emit-llvm %s -o - | \
  15 // RUN:   FileCheck %s --check-prefix=IR-UNALIGNED
  16 // RUN: %clang --target=loongarch64 -mstrict-align -mno-strict-align -S -emit-llvm %s -o - | \
  17 // RUN:   FileCheck %s --check-prefix=IR-UNALIGNED
  18 // RUN: %clang --target=loongarch64 -mno-strict-align -mstrict-align -S -emit-llvm %s -o - | \
  19 // RUN:   FileCheck %s --check-prefix=IR-NO-UNALIGNED
  20
  21 // RUN: not %clang -### --target=loongarch64 -mno-unaligned-access -munaligned-access %s 2>&1 | \
  22 // RUN:   FileCheck %s --check-prefix=ERR
  23
  24 // CC1-UNALIGNED: "-target-feature" "+ual"
  25 // CC1-NO-UNALIGNED: "-target-feature" "-ual"
  26
  27 // IR-UNALIGNED: attributes #[[#]] ={{.*}}"target-features"="{{(.*,)?}}+ual{{(,.*)?}}"
  28 // IR-NO-UNALIGNED: attributes #[[#]] ={{.*}}"target-features"="{{(.*,)?}}-ual{{(,.*)?}}"
  29
  30 // ERR: error: unsupported option '-mno-unaligned-access' for target 'loongarch64'
  31 // ERR: error: unsupported option '-munaligned-access' for target 'loongarch64'
  32
  33 int foo(void) {
  34   return 3;
  35 }