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