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      1 // REQUIRES: x86-registered-target
      2 // Play around with backend reporting:
      3 // _REGULAR_: Regular behavior, no warning switch enabled.
      4 // _PROMOTE_: Promote warning to error.
      5 // _IGNORE_: Drop backend warning.
      6 //
      7 // RUN: not %clang_cc1 %s -mllvm -warn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin 2> %t.err
      8 // RUN: FileCheck < %t.err %s --check-prefix=REGULAR --check-prefix=ASM
      9 // RUN: not %clang_cc1 %s -mllvm -warn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin -Werror=frame-larger-than= 2> %t.err
     10 // RUN: FileCheck < %t.err %s --check-prefix=PROMOTE --check-prefix=ASM
     11 // RUN: not %clang_cc1 %s -mllvm -warn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin -Wno-frame-larger-than= 2> %t.err
     12 // RUN: FileCheck < %t.err %s --check-prefix=IGNORE --check-prefix=ASM
     13 //
     14 // RUN: %clang_cc1 %s -S -o - -triple=i386-apple-darwin -verify -no-integrated-as
     15 
     16 extern void doIt(char *);
     17 
     18 // REGULAR: warning: stack frame size of {{[0-9]+}} bytes in function 'stackSizeWarning'
     19 // PROMOTE: error: stack frame size of {{[0-9]+}} bytes in function 'stackSizeWarning'
     20 // IGNORE-NOT: stack frame size of {{[0-9]+}} bytes in function 'stackSizeWarning'
     21 void stackSizeWarning() {
     22   char buffer[80];
     23   doIt(buffer);
     24 }
     25 
     26 // ASM: inline assembly requires more registers than available
     27 void inlineAsmError(int x0, int x1, int x2, int x3, int x4,
     28                     int x5, int x6, int x7, int x8, int x9) {
     29   __asm__("hello world": : "r" (x0),"r" (x1),"r" (x2),"r" (x3), // expected-error + {{inline assembly requires more registers than available}}
     30           "r" (x4),"r" (x5),"r" (x6),"r" (x7),"r" (x8),"r" (x9));
     31 }
     32