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 -S %s -o - -mcmodel=medium -mlarge-data-threshold=200 | FileCheck %s --check-prefix=ASM-SMALL
   6 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -S %s -o - -mcmodel=medium -mlarge-data-threshold=2 | FileCheck %s --check-prefix=ASM-LARGE
   7
   8 // IR-DEFAULT: !{i32 1, !"Large Data Threshold", i64 65535}
   9 // IR-CUSTOM: !{i32 1, !"Large Data Threshold", i64 200}
  10
  11 // ASM-SMALL-NOT: movabsq
  12 // ASM-LARGE: movabsq
  13
  14 static int i;
  15
  16 int f() {
  17     return i;
  18 }
  19