forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			119 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			C
		
	
	
	
#if GC
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# define GCONST const
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#else
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# define GCONST
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#endif
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// gconst-note@8 {{variable 'glb' declared const here}}
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GCONST int glb = 5;
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// Check various correct prefix spellings and combinations.
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//
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// RUN: %clang_cc1             -DGC           -verify=gconst                 %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC      -verify=lconst                 %s
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// RUN: %clang_cc1                       -DSC -verify=expected               %s
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// RUN: %clang_cc1                       -DSC -verify                        %s
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// RUN: %clang_cc1                       -DSC -verify -verify                %s
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// RUN: %clang_cc1                            -verify=nconst                 %s
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// RUN: %clang_cc1                            -verify=n-const                %s
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// RUN: %clang_cc1                            -verify=n_const                %s
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// RUN: %clang_cc1                            -verify=NConst                 %s
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// RUN: %clang_cc1                            -verify=NConst2                %s
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC      -verify=gconst,lconst          %s
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC -DSC -verify=gconst,lconst,expected %s
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC      -verify=gconst -verify=lconst  %s
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC -DSC -verify=gconst,lconst -verify  %s
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// RUN: %clang_cc1             -DGC      -DSC -verify -verify=gconst -verify %s
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//
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// Duplicate prefixes.
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// RUN: %clang_cc1 -Wcast-qual -DGC -DLC      -verify=gconst,lconst,gconst         %s
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// RUN: %clang_cc1             -DGC           -verify=gconst -verify=gconst,gconst %s
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// RUN: %clang_cc1                       -DSC -verify=expected -verify=expected    %s
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// RUN: %clang_cc1                       -DSC -verify -verify=expected             %s
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//
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// Various tortured cases: multiple directives with different prefixes per
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// line, prefixes used as comments, prefixes prefixing prefixes, and prefixes
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// with special suffixes.
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// RUN: %clang_cc1 -Wcast-qual      -DLC      -verify=foo                    %s
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// RUN: %clang_cc1                       -DSC -verify=bar                    %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=foo,bar                %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=bar,foo                %s
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// RUN: %clang_cc1                       -DSC -verify=foo-bar                %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC      -verify=bar-foo                %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=foo,foo-bar            %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=foo-bar,foo            %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=bar,bar-foo            %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=bar-foo,bar            %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=foo-bar,bar-foo        %s
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// RUN: %clang_cc1                       -DSC -verify=foo-warning            %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC      -verify=bar-warning-re         %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=foo,foo-warning        %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=foo-warning,foo        %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=bar,bar-warning-re     %s
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// RUN: %clang_cc1 -Wcast-qual      -DLC -DSC -verify=bar-warning-re,bar     %s
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// Check invalid prefixes.  Check that there's no additional output, which
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// might indicate that diagnostic verification became enabled even though it
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// was requested incorrectly.  Check that prefixes are reported in command-line
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// order.
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//
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// RUN: not %clang_cc1 -verify=5abc,-xy,foo,_k -verify='#a,b$' %s 2> %t
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// RUN: FileCheck --check-prefixes=ERR %s < %t
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//
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// ERR-NOT:  {{.}}
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// ERR:      error: invalid value '5abc' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NEXT: error: invalid value '-xy' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NEXT: error: invalid value '_k' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NEXT: error: invalid value '#a' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NEXT: error: invalid value 'b$' in '-verify='
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// ERR-NEXT: note: -verify prefixes must start with a letter and contain only alphanumeric characters, hyphens, and underscores
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// ERR-NOT:  {{.}}
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// Check that our test code actually has expected diagnostics when there's no
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// -verify.
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//
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// RUN: not %clang_cc1 -Wcast-qual -DGC -DLC -DSC %s 2> %t
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// RUN: FileCheck --check-prefix=ALL %s < %t
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//
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// ALL: cannot assign to variable 'glb' with const-qualified type 'const int'
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// ALL: variable 'glb' declared const here
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// ALL: cast from 'const int *' to 'int *' drops const qualifier
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// ALL: initializing 'int *' with an expression of type 'const int *' discards qualifiers
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#if LC
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# define LCONST const
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#else
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# define LCONST
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#endif
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#if SC
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# define SCONST const
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#else
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# define SCONST
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#endif
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void foo() {
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  LCONST int loc = 5;
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  SCONST static int sta = 5;
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  // We don't actually expect 1-2 occurrences of this error.  We're just
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  // checking the parsing.
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  glb = 6; // gconst-error1-2 {{cannot assign to variable 'glb' with const-qualified type 'const int'}}
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  *(int*)(&loc) = 6; // lconst-warning {{cast from 'const int *' to 'int *' drops const qualifier}}
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  ; // Code, comments, and many directives with different prefixes per line, including cases where some prefixes (foo and bar) prefix others (such as foo-bar and bar-foo), such that some prefixes appear as normal comments and some have special suffixes (-warning and -re): foo-warning@-1 {{cast from 'const int *' to 'int *' drops const qualifier}} foo-bar-warning@+1 {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}} foo-warning-warning@+1 {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}} bar-warning-re-warning@-1 {{cast from 'const int *' to 'int *' drops const qualifier}} bar-foo-warning@-1 {{cast from 'const int *' to 'int *' drops const qualifier}} bar-warning@+1 {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}}
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  int *p = &sta; // expected-warning {{initializing 'int *' with an expression of type 'const int *' discards qualifiers}}
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}
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// nconst-no-diagnostics
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// n-const-no-diagnostics
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// n_const-no-diagnostics
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// NConst-no-diagnostics
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// NConst2-no-diagnostics
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