1 // RUN: %clang_cc1 -mllvm -emptyline-comment-coverage=false -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]+}}:16 -> {{[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: Branch,File 0, {{[0-9]+}}:12 -> {{[0-9]+}}:30 = #1, #0 10 // CHECK-NEXT: File 1, [[@LINE+4]]:4 -> [[@LINE+6]]:23 = (#0 + #1) 11 // CHECK-NEXT: Expansion,File 1, [[@LINE+3]]:5 -> [[@LINE+3]]:16 = (#0 + #1) 12 // CHECK-NEXT: Expansion,File 1, [[@LINE+3]]:16 -> [[@LINE+3]]:21 = (#0 + #1) 13 #define INSERT_STRING(s, match_head) \ 14 (UPDATE_HASH(ins_h, window[(s) + MIN_MATCH-1]), \ 15 prev[(s) & WMASK] = match_head = head[ins_h], \ 16 head[ins_h] = (s)) 17 // CHECK-NEXT: File 2, [[@LINE+3]]:26 -> [[@LINE+3]]:66 = (#0 + #1) 18 // CHECK-NEXT: Expansion,File 2, [[@LINE+2]]:38 -> [[@LINE+2]]:45 = (#0 + #1) 19 // CHECK-NEXT: Expansion,File 2, [[@LINE+1]]:56 -> [[@LINE+1]]:65 = (#0 + #1) 20 #define UPDATE_HASH(h,c) (h = (((h)<<H_SHIFT) ^ (c)) & HASH_MASK) 21 // CHECK-NEXT: File 3, [[@LINE+1]]:15 -> [[@LINE+1]]:21 = (#0 + #1) 22 #define WMASK 0xFFFF 23 // CHECK-NEXT: File 4, [[@LINE+4]]:18 -> [[@LINE+4]]:53 = (#0 + #1) 24 // CHECK-NEXT: Expansion,File 4, [[@LINE+3]]:20 -> [[@LINE+3]]:29 = (#0 + #1) 25 // CHECK-NEXT: Expansion,File 4, [[@LINE+2]]:30 -> [[@LINE+2]]:39 = (#0 + #1) 26 // CHECK-NEXT: Expansion,File 4, [[@LINE+1]]:43 -> [[@LINE+1]]:52 = (#0 + #1) 27 #define H_SHIFT ((HASH_BITS+MIN_MATCH-1)/MIN_MATCH) 28 // CHECK-NEXT: File 5, [[@LINE+1]]:19 -> [[@LINE+1]]:25 = (#0 + #1) 29 #define HASH_MASK 0xFFFF 30 // CHECK-NEXT: File 6, [[@LINE+1]]:20 -> [[@LINE+1]]:22 = (#0 + #1) 31 #define HASH_BITS 15 32 // CHECK-NEXT: File 7, [[@LINE+2]]:20 -> [[@LINE+2]]:21 = (#0 + #1) 33 // CHECK-NEXT: File 8, [[@LINE+1]]:20 -> [[@LINE+1]]:21 = (#0 + #1) 34 #define MIN_MATCH 3 35 36 int main(void) { 37 int strstart = 0; 38 int hash_head = 2; 39 int prev_length = 5; 40 int ins_h = 1; 41 int prev[32<<10] = { 0 }; 42 int head[32<<10] = { 0 }; 43 int window[1024] = { 0 }; 44 do { 45 strstart++; 46 INSERT_STRING(strstart, hash_head); 47 } while (--prev_length != 0); 48 } 49