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Diffstat (limited to 'test/CodeGen/2002-07-14-MiscTests.c')
-rw-r--r-- | test/CodeGen/2002-07-14-MiscTests.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/CodeGen/2002-07-14-MiscTests.c b/test/CodeGen/2002-07-14-MiscTests.c new file mode 100644 index 000000000000..2a651248b55c --- /dev/null +++ b/test/CodeGen/2002-07-14-MiscTests.c @@ -0,0 +1,57 @@ +// RUN: %clang_cc1 -w -emit-llvm %s -o /dev/null + +/* These are random tests that I used when working on the GCC frontend + originally. */ + +// test floating point comparison! +int floatcomptest(double *X, double *Y, float *x, float *y) { + return *X < *Y || *x < *y; +} + +extern void *malloc(unsigned); + +// Exposed a bug +void *memset_impl(void *dstpp, int c, unsigned len) { + long long int dstp = (long long int) dstpp; + + while (dstp % 4 != 0) + { + ((unsigned char *) dstp)[0] = c; + dstp += 1; + len -= 1; + } + return dstpp; +} + +// TEST problem with signed/unsigned versions of the same constants being shared +// incorrectly! +// +static char *temp; +static int remaining; +static char *localmalloc(int size) { + char *blah; + + if (size>remaining) + { + temp = (char *) malloc(32768); + remaining = 32768; + return temp; + } + return 0; +} + +typedef struct { double X; double Y; int Z; } PBVTest; + +PBVTest testRetStruct(float X, double Y, int Z) { + PBVTest T = { X, Y, Z }; + return T; +} +PBVTest testRetStruct2(void); // external func no inlining + + +double CallRetStruct(float X, double Y, int Z) { + PBVTest T = testRetStruct2(); + return T.X+X+Y+Z; +} + + |