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