36 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			36 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
// RUN: %clang_profgen -fuse-ld=gold -O2 -fdata-sections -ffunction-sections -fcoverage-mapping -Wl,--gc-sections -o %t %s
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// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t
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// RUN: llvm-profdata merge -o %t.profdata %t.profraw
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// RUN: llvm-cov show %t -instr-profile %t.profdata -path-equivalence=/tmp,%S 2>&1 | FileCheck %s
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// BFD linker older than 2.26 has a bug that per-func profile data will be wrongly garbage collected when GC is turned on. We only do end-to-end test here without GC:
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// RUN: %clang_profgen -O2  -fcoverage-mapping  -o %t.2 %s
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// RUN: env LLVM_PROFILE_FILE=%t.2.profraw %run %t.2
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// RUN: llvm-profdata merge -o %t.2.profdata %t.2.profraw
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// RUN: llvm-cov show %t.2 -instr-profile %t.2.profdata -path-equivalence=/tmp,%S 2>&1 | FileCheck %s
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// Check covmap is not garbage collected when GC is turned on with BFD linker. Due to the bug mentioned above, we can only
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// do the check with objdump:
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// RUN: %clang_profgen -O2  -fcoverage-mapping -Wl,--gc-sections -o %t.3 %s
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// RUN: llvm-objdump -h %t.3 | FileCheck --check-prefix COVMAP %s
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// Check PIE option
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// RUN: %clang_profgen -fuse-ld=gold -O2 -fdata-sections -ffunction-sections -fPIE -pie -fcoverage-mapping -Wl,--gc-sections -o %t.pie %s
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// RUN: env LLVM_PROFILE_FILE=%t.pie.profraw %run %t.pie
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// RUN: llvm-profdata merge -o %t.pie.profdata %t.pie.profraw
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// RUN: llvm-cov show %t.pie -instr-profile %t.pie.profdata -path-equivalence=/tmp,%S 2>&1 | FileCheck %s
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void foo(bool cond) { // CHECK:  [[@LINE]]| 1|void foo(
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  if (cond) {         // CHECK:  [[@LINE]]| 1| if (cond) {
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  }                   // CHECK:  [[@LINE]]| 0|  }
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}                     // CHECK:  [[@LINE]]| 1|}
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void bar() {          // CHECK:  [[@LINE]]| 1|void bar() {
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}                     // CHECK:  [[@LINE]]| 1|}
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void func() {         // CHECK:  [[@LINE]]| 0|void func(
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}                     // CHECK:  [[@LINE]]| 0|}
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int main() {          // CHECK:  [[@LINE]]| 1|int main(
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  foo(false);         // CHECK:  [[@LINE]]| 1| foo(
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  bar();              // CHECK:  [[@LINE]]| 1|  bar(
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  return 0;           // CHECK:  [[@LINE]]| 1| return
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}                     // CHECK:  [[@LINE]]| 1|}
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// COVMAP: __llvm_covmap {{.*}}
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