clang/test/CodeGen/large-data-threshold.c

   1 // REQUIRES: x86-registered-target
   2
   3 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - -mcmodel=medium | FileCheck %s --check-prefix=IR-DEFAULT
   4 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - -mcmodel=medium -mlarge-data-threshold=200 | FileCheck %s --check-prefix=IR-CUSTOM
   5 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - -mcmodel=large -mlarge-data-threshold=200 | FileCheck %s --check-prefix=IR-CUSTOM
   6 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm %s -o - -mcmodel=small -mlarge-data-threshold=200 | FileCheck %s --check-prefix=IR-SMALL
   7 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -S %s -o - -mcmodel=medium -mlarge-data-threshold=200 | FileCheck %s --check-prefix=ASM-SMALL
   8 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -S %s -o - -mcmodel=medium -mlarge-data-threshold=2 | FileCheck %s --check-prefix=ASM-LARGE
   9
  10 // IR-DEFAULT: !{i32 1, !"Large Data Threshold", i64 0}
  11 // IR-CUSTOM: !{i32 1, !"Large Data Threshold", i64 200}
  12 // IR-SMALL-NOT: !"Large Data Threshold"
  13
  14 // ASM-SMALL-NOT: movabsq
  15 // ASM-LARGE: movabsq
  16
  17 static int i;
  18
  19 int f() {
  20     return i;
  21 }
  22