test/CodeGen/extern-inline.c

   1 // RUN: %clang -S -emit-llvm -std=gnu89 -o - %s | FileCheck %s
   2 // PR5253
   3
   4 // If an extern inline function is redefined, functions should call the
   5 // redefinition.
   6 extern inline int f(int a) {return a;}
   7 int g(void) {return f(0);}
   8 // CHECK: call i32 @f
   9 int f(int b) {return 1+b;}
  10 // CHECK: load i32* %{{.*}}
  11 // CHECK: add nsw i32 1, %{{.*}}
  12 int h(void) {return f(1);}
  13 // CHECK: call i32 @f
  14
  15 // It shouldn't matter if the function was redefined static.
  16 extern inline int f2(int a, int b) {return a+b;}
  17 int g2(void) {return f2(0,1);}
  18 // CHECK: call i32 @f2
  19 static int f2(int a, int b) {return a*b;}
  20 // CHECK: load i32* %{{.*}}
  21 // CHECK: load i32* %{{.*}}
  22 // CHECK: mul nsw i32 %{{.*}}, %{{.*}}
  23 int h2(void) {return f2(1,2);}
  24 // CHECK: call i32 @f2
  25