1f51a89d39
These were ignored by git accidentally. We want ALL OF THEM since they all came in the llvm/clang source distribution.
58 lines
2.9 KiB
C
58 lines
2.9 KiB
C
// Tests for macro expansion backtraces. The RUN and CHECK lines are grouped
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// below the test code to reduce noise when updating them.
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#define M1(A, B) ((A) < (B))
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#define M2(A, B) M1(A, B)
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#define M3(A, B) M2(A, B)
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#define M4(A, B) M3(A, B)
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#define M5(A, B) M4(A, B)
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#define M6(A, B) M5(A, B)
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#define M7(A, B) M6(A, B)
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#define M8(A, B) M7(A, B)
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#define M9(A, B) M8(A, B)
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#define M10(A, B) M9(A, B)
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#define M11(A, B) M10(A, B)
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#define M12(A, B) M11(A, B)
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void f(int *ip, float *fp) {
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if (M12(ip, fp)) { }
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// RUN: %clang_cc1 -fsyntax-only -fmacro-backtrace-limit 5 %s 2>&1 \
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// RUN: | FileCheck %s -check-prefix=CHECK-LIMIT
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// CHECK-LIMIT: macro-backtrace.c:18:7: warning: comparison of distinct pointer types ('int *' and 'float *')
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// CHECK-LIMIT: if (M12(ip, fp)) { }
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// CHECK-LIMIT: macro-backtrace.c:15:19: note: expanded from macro 'M12'
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// CHECK-LIMIT: #define M12(A, B) M11(A, B)
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// CHECK-LIMIT: macro-backtrace.c:14:19: note: expanded from macro 'M11'
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// CHECK-LIMIT: #define M11(A, B) M10(A, B)
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// CHECK-LIMIT: note: (skipping 7 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
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// CHECK-LIMIT: macro-backtrace.c:6:18: note: expanded from macro 'M3'
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// CHECK-LIMIT: #define M3(A, B) M2(A, B)
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// CHECK-LIMIT: macro-backtrace.c:5:18: note: expanded from macro 'M2'
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// CHECK-LIMIT: #define M2(A, B) M1(A, B)
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// CHECK-LIMIT: macro-backtrace.c:4:23: note: expanded from macro 'M1'
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// CHECK-LIMIT: #define M1(A, B) ((A) < (B))
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// RUN: %clang_cc1 -fsyntax-only -fno-caret-diagnostics %s 2>&1 \
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// RUN: | FileCheck %s -check-prefix=CHECK-NO-CARETS
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// CHECK-NO-CARETS: macro-backtrace.c:18:7: warning: comparison of distinct pointer types ('int *' and 'float *')
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// CHECK-NO-CARETS-NEXT: macro-backtrace.c:15:19: note: expanded from macro 'M12'
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// CHECK-NO-CARETS-NEXT: macro-backtrace.c:14:19: note: expanded from macro 'M11'
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// CHECK-NO-CARETS-NEXT: macro-backtrace.c:13:19: note: expanded from macro 'M10'
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// CHECK-NO-CARETS-NEXT: note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
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// CHECK-NO-CARETS-NEXT: macro-backtrace.c:6:18: note: expanded from macro 'M3'
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// CHECK-NO-CARETS-NEXT: macro-backtrace.c:5:18: note: expanded from macro 'M2'
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// CHECK-NO-CARETS-NEXT: macro-backtrace.c:4:23: note: expanded from macro 'M1'
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// Check that the expansion notes respect the same formatting options as
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// other diagnostics.
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// RUN: %clang_cc1 -fsyntax-only -fdiagnostics-format vi %s 2>&1 \
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// RUN: | FileCheck %s -check-prefix=CHECK-NOTE-FORMAT
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// CHECK-NOTE-FORMAT: macro-backtrace.c +18:7: warning:
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// CHECK-NOTE-FORMAT: macro-backtrace.c +15:19: note:
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// CHECK-NOTE-FORMAT: macro-backtrace.c +14:19: note:
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// CHECK-NOTE-FORMAT: note:
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// CHECK-NOTE-FORMAT: macro-backtrace.c +6:18: note:
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// CHECK-NOTE-FORMAT: macro-backtrace.c +5:18: note:
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// CHECK-NOTE-FORMAT: macro-backtrace.c +4:23: note:
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}
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