clang/test/CodeGen/extern-inline.c

   1 // RUN: %clang -target i386-unknown-unknown -S -emit-llvm -std=gnu89 -o - %s | FileCheck %s
   2 // RUN: %clang -target i386-unknown-unknown -S -emit-llvm -fgnu89-inline -o - %s | FileCheck %s
   3 // PR5253
   4
   5 // If an extern inline function is redefined, functions should call the
   6 // redefinition.
   7 extern inline int f(int a) {return a;}
   8 int g(void) {return f(0);}
   9 // CHECK: call i32 @f
  10 int f(int b) {return 1+b;}
  11 // CHECK: load i32, ptr %{{.*}}
  12 // CHECK: add nsw i32 1, %{{.*}}
  13 int h(void) {return f(1);}
  14 // CHECK: call i32 @f
  15
  16 // It shouldn't matter if the function was redefined static.
  17 extern inline int f2(int a, int b) {return a+b;}
  18 int g2(void) {return f2(0,1);}
  19 // CHECK: call i32 @f2
  20 static int f2(int a, int b) {return a*b;}
  21 // CHECK: load i32, ptr %{{.*}}
  22 // CHECK: load i32, ptr %{{.*}}
  23 // CHECK: mul nsw i32 %{{.*}}, %{{.*}}
  24 int h2(void) {return f2(1,2);}
  25 // CHECK: call i32 @f2
  26