| // 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 |
| // |
| // RUN: %clang_cc1 %s -S -o - -triple=i386-apple-darwin -verify -no-integrated-as |
| |
| extern void doIt(char *); |
| |
| // REGULAR: warning: stack frame size of {{[0-9]+}} bytes in function 'stackSizeWarning' |
| // PROMOTE: error: stack frame size of {{[0-9]+}} bytes in function 'stackSizeWarning' |
| // IGNORE-NOT: stack frame size of {{[0-9]+}} bytes in function '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)); |
| } |
