34ac9b5e25
This patch adds the tests for the coverage mapping generation. Most of the tests check the mapping regions produced by the generator, and one checks the llvm IR. Differential Revision: http://reviews.llvm.org/D4847 llvm-svn: 215995
41 lines
2.1 KiB
C
41 lines
2.1 KiB
C
// RUN: %clang_cc1 -fprofile-instr-generate -fcoverage-mapping -dump-coverage-mapping -emit-llvm-only -main-file-name loopmacro.c %s | FileCheck %s
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# define HASH_BITS 15
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#define MIN_MATCH 3
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#define H_SHIFT ((HASH_BITS+MIN_MATCH-1)/MIN_MATCH)
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#define WMASK 0xFFFF
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#define HASH_MASK 0xFFFF
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#define UPDATE_HASH(h,c) (h = (((h)<<H_SHIFT) ^ (c)) & HASH_MASK)
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#define INSERT_STRING(s, match_head) \
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(UPDATE_HASH(ins_h, window[(s) + MIN_MATCH-1]), \
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prev[(s) & WMASK] = match_head = head[ins_h], \
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head[ins_h] = (s))
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int main() { // CHECK: File 0, [[@LINE]]:12 -> [[@LINE+12]]:2 = #0 (HasCodeBefore = 0)
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int strstart = 0;
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int hash_head = 2;
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int prev_length = 5;
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int ins_h = 1;
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int prev[32] = { 0 };
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int head[32] = { 0 };
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int window[1024] = { 0 };
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do { // CHECK-NEXT: File 0, [[@LINE]]:6 -> [[@LINE+3]]:30 = (#0 + #1) (HasCodeBefore = 0)
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strstart++;
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INSERT_STRING(strstart, hash_head); // CHECK-NEXT: Expansion,File 0, [[@LINE]]:7 -> [[@LINE]]:20 = (#0 + #1) (HasCodeBefore = 0, Expanded file = 1)
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} while (--prev_length != 0);
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}
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// CHECK-NEXT: File 0, 24:21 -> 24:29 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 0, 24:21 -> 24:29 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 0, 24:21 -> 24:29 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 0, 24:31 -> 24:40 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 1, 10:4 -> 12:23 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: Expansion,File 1, 10:5 -> 10:16 = (#0 + #1) (HasCodeBefore = 0, Expanded file = 3)
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// CHECK-NEXT: File 1, 10:17 -> 10:22 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 1, 10:17 -> 10:22 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 1, 10:24 -> 10:32 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 1, 10:33 -> 10:36 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 1, 10:46 -> 10:49 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 2, 5:18 -> 5:53 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: File 3, 8:26 -> 8:66 = (#0 + #1) (HasCodeBefore = 0)
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// CHECK-NEXT: Expansion,File 3, 8:38 -> 8:45 = (#0 + #1) (HasCodeBefore = 0, Expanded file = 2)
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