forked from OSchip/llvm-project
35 lines
1.8 KiB
C
35 lines
1.8 KiB
C
// REQUIRES: x86-registered-target
|
|
// Play around with backend reporting:
|
|
// _REGULAR_: Regular behavior, no warning switch enabled.
|
|
// _PROMOTE_: Promote warning to error.
|
|
// _IGNORE_: Drop backend warning.
|
|
//
|
|
// RUN: not %clang_cc1 %s -mllvm -warn-stack-size=0 -no-integrated-as -S -o - -triple=i386-apple-darwin 2> %t.err
|
|
// RUN: FileCheck < %t.err %s --check-prefix=REGULAR --check-prefix=ASM
|
|
// 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
|
|
// RUN: FileCheck < %t.err %s --check-prefix=PROMOTE --check-prefix=ASM
|
|
// 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
|
|
// RUN: FileCheck < %t.err %s --check-prefix=IGNORE --check-prefix=ASM
|
|
//
|
|
// Currently the stack size reporting cannot be checked with -verify because
|
|
// no source location is attached to the diagnostic. Therefore do not emit
|
|
// them for the -verify test for now.
|
|
// RUN: %clang_cc1 %s -S -o - -triple=i386-apple-darwin -verify -no-integrated-as
|
|
|
|
extern void doIt(char *);
|
|
|
|
// REGULAR: warning: stack size exceeded ({{[0-9]+}}) in stackSizeWarning
|
|
// PROMOTE: error: stack size exceeded ({{[0-9]+}}) in stackSizeWarning
|
|
// IGNORE-NOT: stack size exceeded ({{[0-9]+}}) in stackSizeWarning
|
|
void stackSizeWarning() {
|
|
char buffer[80];
|
|
doIt(buffer);
|
|
}
|
|
|
|
// ASM: inline assembly requires more registers than available
|
|
void inlineAsmError(int x0, int x1, int x2, int x3, int x4,
|
|
int x5, int x6, int x7, int x8, int x9) {
|
|
__asm__("hello world": : "r" (x0),"r" (x1),"r" (x2),"r" (x3), // expected-error + {{inline assembly requires more registers than available}}
|
|
"r" (x4),"r" (x5),"r" (x6),"r" (x7),"r" (x8),"r" (x9));
|
|
}
|