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      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* %{{.*}}
     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* %{{.*}}
     22 // CHECK: load i32* %{{.*}}
     23 // CHECK: mul nsw i32 %{{.*}}, %{{.*}}
     24 int h2(void) {return f2(1,2);}
     25 // CHECK: call i32 @f2
     26 
     27