32 lines · c
1// REQUIRES: x86-registered-target2// 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 -fwarn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin 2> %t.err8// RUN: FileCheck < %t.err %s --check-prefix=REGULAR --check-prefix=ASM9// RUN: not %clang_cc1 %s -fwarn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin -Werror=frame-larger-than 2> %t.err10// RUN: FileCheck < %t.err %s --check-prefix=PROMOTE --check-prefix=ASM11// RUN: not %clang_cc1 %s -fwarn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin -Wno-frame-larger-than 2> %t.err12// RUN: FileCheck < %t.err %s --check-prefix=IGNORE --check-prefix=ASM13//14// RUN: %clang_cc1 %s -S -o - -triple=i386-apple-darwin -verify -no-integrated-as15 16extern void doIt(char *);17 18// REGULAR: warning: stack frame size ([[#]]) exceeds limit ([[#]]) in 'stackSizeWarning'19// PROMOTE: error: stack frame size ([[#]]) exceeds limit ([[#]]) in 'stackSizeWarning'20// IGNORE-NOT: stack frame size ([[#]]) exceeds limit ([[#]]) in 'stackSizeWarning'21void stackSizeWarning(void) {22 char buffer[80];23 doIt(buffer);24}25 26// ASM: inline assembly requires more registers than available27void 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