| 1 | // RUN: %clang_cc1 -fprofile-instrument=clang -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name loopmacro.c %s | FileCheck %s |
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| 2 | |
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| 3 | // CHECK: main |
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| 4 | // CHECK-NEXT: File 0, {{[0-9]+}}:12 -> {{[0-9]+}}:2 = #0 |
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| 5 | // CHECK-NEXT: File 0, {{[0-9]+}}:6 -> {{[0-9]+}}:4 = (#0 + #1) |
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| 6 | // CHECK-NEXT: Expansion,File 0, {{[0-9]+}}:7 -> {{[0-9]+}}:20 = (#0 + #1) |
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| 7 | // CHECK-NEXT: File 0, {{[0-9]+}}:12 -> {{[0-9]+}}:30 = (#0 + #1) |
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| 8 | |
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| 9 | // CHECK-NEXT: File 1, [[@LINE+4]]:4 -> [[@LINE+6]]:23 = (#0 + #1) |
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| 10 | // CHECK-NEXT: Expansion,File 1, [[@LINE+3]]:5 -> [[@LINE+3]]:16 = (#0 + #1) |
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| 11 | // CHECK-NEXT: Expansion,File 1, [[@LINE+3]]:16 -> [[@LINE+3]]:21 = (#0 + #1) |
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| 12 | #define INSERT_STRING(s, match_head) \ |
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| 13 | (UPDATE_HASH(ins_h, window[(s) + MIN_MATCH-1]), \ |
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| 14 | prev[(s) & WMASK] = match_head = head[ins_h], \ |
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| 15 | head[ins_h] = (s)) |
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| 16 | // CHECK-NEXT: File 2, [[@LINE+3]]:26 -> [[@LINE+3]]:66 = (#0 + #1) |
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| 17 | // CHECK-NEXT: Expansion,File 2, [[@LINE+2]]:38 -> [[@LINE+2]]:45 = (#0 + #1) |
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| 18 | // CHECK-NEXT: Expansion,File 2, [[@LINE+1]]:56 -> [[@LINE+1]]:65 = (#0 + #1) |
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| 19 | #define UPDATE_HASH(h,c) (h = (((h)<<H_SHIFT) ^ (c)) & HASH_MASK) |
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| 20 | // CHECK-NEXT: File 3, [[@LINE+1]]:15 -> [[@LINE+1]]:21 = (#0 + #1) |
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| 21 | #define WMASK 0xFFFF |
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| 22 | // CHECK-NEXT: File 4, [[@LINE+4]]:18 -> [[@LINE+4]]:53 = (#0 + #1) |
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| 23 | // CHECK-NEXT: Expansion,File 4, [[@LINE+3]]:20 -> [[@LINE+3]]:29 = (#0 + #1) |
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| 24 | // CHECK-NEXT: Expansion,File 4, [[@LINE+2]]:30 -> [[@LINE+2]]:39 = (#0 + #1) |
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| 25 | // CHECK-NEXT: Expansion,File 4, [[@LINE+1]]:43 -> [[@LINE+1]]:52 = (#0 + #1) |
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| 26 | #define H_SHIFT ((HASH_BITS+MIN_MATCH-1)/MIN_MATCH) |
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| 27 | // CHECK-NEXT: File 5, [[@LINE+1]]:19 -> [[@LINE+1]]:25 = (#0 + #1) |
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| 28 | #define HASH_MASK 0xFFFF |
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| 29 | // CHECK-NEXT: File 6, [[@LINE+1]]:20 -> [[@LINE+1]]:22 = (#0 + #1) |
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| 30 | #define HASH_BITS 15 |
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| 31 | // CHECK-NEXT: File 7, [[@LINE+2]]:20 -> [[@LINE+2]]:21 = (#0 + #1) |
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| 32 | // CHECK-NEXT: File 8, [[@LINE+1]]:20 -> [[@LINE+1]]:21 = (#0 + #1) |
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| 33 | #define MIN_MATCH 3 |
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| 34 | |
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| 35 | int main() { |
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| 36 | int strstart = 0; |
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| 37 | int hash_head = 2; |
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| 38 | int prev_length = 5; |
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| 39 | int ins_h = 1; |
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| 40 | int prev[32<<10] = { 0 }; |
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| 41 | int head[32<<10] = { 0 }; |
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| 42 | int window[1024] = { 0 }; |
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| 43 | do { |
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| 44 | strstart++; |
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| 45 | INSERT_STRING(strstart, hash_head); |
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| 46 | } while (--prev_length != 0); |
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| 47 | } |
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| 48 | |
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