| 1 | // RUN: %clang_cc1 -w -emit-llvm %s -o /dev/null |
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| 2 | |
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| 3 | /* These are random tests that I used when working on the GCC frontend |
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| 4 | originally. */ |
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| 5 | |
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| 6 | // test floating point comparison! |
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| 7 | int floatcomptest(double *X, double *Y, float *x, float *y) { |
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| 8 | return *X < *Y || *x < *y; |
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| 9 | } |
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| 10 | |
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| 11 | extern void *malloc(unsigned); |
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| 12 | |
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| 13 | // Exposed a bug |
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| 14 | void *memset_impl(void *dstpp, int c, unsigned len) { |
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| 15 | long long int dstp = (long long int) dstpp; |
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| 16 | |
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| 17 | while (dstp % 4 != 0) |
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| 18 | { |
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| 19 | ((unsigned char *) dstp)[0] = c; |
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| 20 | dstp += 1; |
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| 21 | len -= 1; |
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| 22 | } |
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| 23 | return dstpp; |
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| 24 | } |
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| 25 | |
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| 26 | // TEST problem with signed/unsigned versions of the same constants being shared |
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| 27 | // incorrectly! |
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| 28 | // |
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| 29 | static char *temp; |
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| 30 | static int remaining; |
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| 31 | static char *localmalloc(int size) { |
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| 32 | char *blah; |
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| 33 | |
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| 34 | if (size>remaining) |
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| 35 | { |
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| 36 | temp = (char *) malloc(32768); |
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| 37 | remaining = 32768; |
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| 38 | return temp; |
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| 39 | } |
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| 40 | return 0; |
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| 41 | } |
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| 42 | |
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| 43 | typedef struct { double X; double Y; int Z; } PBVTest; |
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| 44 | |
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| 45 | PBVTest testRetStruct(float X, double Y, int Z) { |
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| 46 | PBVTest T = { X, Y, Z }; |
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| 47 | return T; |
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| 48 | } |
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| 49 | PBVTest testRetStruct2(void); // external func no inlining |
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| 50 | |
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| 51 | |
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| 52 | double CallRetStruct(float X, double Y, int Z) { |
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| 53 | PBVTest T = testRetStruct2(); |
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| 54 | return T.X+X+Y+Z; |
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| 55 | } |
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| 56 | |
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| 57 | |
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| 58 | |
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