llvm-project/clang/test/Driver/preprocessor.c

// RUN: clang -E -x c-header %s > %t &&
// RUN: grep 'B B' %t

#define A B
A A
Pull clang-cc code for generating PTH files based on the input type. - <rdar://problem/6741594> [pth] don't abuse -x to drive pth generation - Simpler, and fixes PR3915. Cleanup test cases for PTH: - Update to use -emit-pth - Removed PTH test of carbon.c and cocoa.mm; these didn't actually verify anything, and since PTH is token based the extra coverage (over cocoa.m) isn't particularly helpful. - Split PTH tests in cocoa.m to cocoa-pth.m, solely to increase available parallelism when running tests. Ted, could you update the PTH test cases (include-pth.c and cocoa-pth.m) to have some sort of positive check that the PTH is getting used? "# of PTH cache hits" or "tokens read from PTH cache" statistics would work great. :) llvm-svn: 68189 2009-04-01 13:09:09 +08:00			`// RUN: clang -E -x c-header %s > %t &&`
			`// RUN: grep 'B B' %t`

			`#define A B`
			`A A`