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 | |