67 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
| // Tests for -fprofile-generate and -fprofile-use flag compatibility. These two
 | |
| // flags behave similarly to their GCC counterparts:
 | |
| //
 | |
| // -fprofile-generate         Generates the profile file ./default.profraw
 | |
| // -fprofile-generate=<dir>   Generates the profile file <dir>/default.profraw
 | |
| // -fprofile-use              Uses the profile file ./default.profdata
 | |
| // -fprofile-use=<dir>        Uses the profile file <dir>/default.profdata
 | |
| // -fprofile-use=<dir>/file   Uses the profile file <dir>/file
 | |
| 
 | |
| // RUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-GEN %s
 | |
| // RUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-GEN %s
 | |
| // PROFILE-GEN: @__profc_main = {{(private|internal)}} global [2 x i64] zeroinitializer, section
 | |
| // PROFILE-GEN: @__profd_main =
 | |
| 
 | |
| // Check that -fprofile-generate=/path/to generates /path/to/default.profraw
 | |
| // RUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate=/path/to -fno-experimental-new-pass-manager | FileCheck -check-prefixes=PROFILE-GEN,PROFILE-GEN-EQ %s
 | |
| // RxUN: %clang %s -c -S -o - -emit-llvm -fprofile-generate=/path/to -fexperimental-new-pass-manager | FileCheck -check-prefixes=PROFILE-GEN,PROFILE-GEN-EQ %s
 | |
| // PROFILE-GEN-EQ: constant [{{.*}} x i8] c"/path/to{{/|\\\\}}{{.*}}\00"
 | |
| 
 | |
| // Check that -fprofile-use=some/path reads some/path/default.profdata
 | |
| // This uses Clang FE format profile.
 | |
| // RUN: rm -rf %t.dir
 | |
| // RUN: mkdir -p %t.dir/some/path
 | |
| // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility.proftext -o %t.dir/some/path/default.profdata
 | |
| // RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
 | |
| // RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
 | |
| 
 | |
| // Check that -fprofile-use=some/path/file.prof reads some/path/file.prof
 | |
| // This uses Clang FE format profile.
 | |
| // RUN: rm -rf %t.dir
 | |
| // RUN: mkdir -p %t.dir/some/path
 | |
| // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility.proftext -o %t.dir/some/path/file.prof
 | |
| // RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
 | |
| // RUN: %clang %s -o - -Xclang -disable-llvm-passes -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE %s
 | |
| // PROFILE-USE: = !{!"branch_weights", i32 101, i32 2}
 | |
| 
 | |
| // Check that -fprofile-use=some/path reads some/path/default.profdata
 | |
| // This uses LLVM IR format profile.
 | |
| // RUN: rm -rf %t.dir
 | |
| // RUN: mkdir -p %t.dir/some/path
 | |
| // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR.proftext -o %t.dir/some/path/default.profdata
 | |
| // RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
 | |
| // RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
 | |
| 
 | |
| // Check that -fprofile-use=some/path/file.prof reads some/path/file.prof
 | |
| // This uses LLVM IR format profile.
 | |
| // RUN: rm -rf %t.dir
 | |
| // RUN: mkdir -p %t.dir/some/path
 | |
| // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR.proftext -o %t.dir/some/path/file.prof
 | |
| // RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
 | |
| // RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
 | |
| //
 | |
| // RUN: llvm-profdata merge %S/Inputs/gcc-flag-compatibility_IR_entry.proftext -o %t.dir/some/path/file.prof
 | |
| // RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fno-experimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
 | |
| // RUN: %clang %s -o - -emit-llvm -S -fprofile-use=%t.dir/some/path/file.prof -fexperimental-new-pass-manager | FileCheck -check-prefix=PROFILE-USE-IR %s
 | |
| 
 | |
| // PROFILE-USE-IR: = !{!"branch_weights", i32 100, i32 1}
 | |
| 
 | |
| int X = 0;
 | |
| 
 | |
| int main() {
 | |
|   int i;
 | |
|   for (i = 0; i < 100; i++)
 | |
|     X += i;
 | |
|   return 0;
 | |
| }
 |