llvm/test/Analysis/Profiling/profiling-tool-chain.ll - toolchain/llvm-project - Gitiles

 ; RUN: llvm-as %s -o %t1

 ; FIXME: The RUX parts of the test are disabled for now, they aren't working on
 ; llvm-gcc-x86_64-darwin10-selfhost.

 ; Test the edge optimal profiling instrumentation.
 ; RUN: opt %t1 -insert-optimal-edge-profiling -o %t2
 ; RUX: llvm-dis < %t2 | FileCheck --check-prefix=INST %s

 ; Test the creation, reading and displaying of profile
 ; RUX: rm -f llvmprof.out
 ; RUX: lli -load %llvmshlibdir/profile_rt%shlibext %t2
 ; RUX: lli -load %llvmshlibdir/profile_rt%shlibext %t2 1 2
 ; RUX: llvm-prof -print-all-code %t1 | FileCheck --check-prefix=PROF %s

 ; Test the loaded profile also with verifier.
 ; RUX  opt %t1 -profile-loader -profile-verifier -o %t3

 ; Test profile estimator.
 ; RUN: opt %t1 -profile-estimator -profile-verifier -o %t3

 ; PROF:  1.     2/4 oneblock
 ; PROF:  2.     2/4 main
 ; PROF:  1. 15.7895%    12/76	main() - bb6
 ; PROF:  2. 11.8421%     9/76	main() - bb2
 ; PROF:  3. 11.8421%     9/76	main() - bb3
 ; PROF:  4. 11.8421%     9/76	main() - bb5
 ; PROF:  5. 10.5263%     8/76	main() - bb10
 ; PROF:  6. 7.89474%     6/76	main() - bb
 ; PROF:  7. 7.89474%     6/76	main() - bb9
 ; PROF:  8. 3.94737%     3/76	main() - bb1
 ; PROF:  9. 3.94737%     3/76	main() - bb7
 ; PROF: 10. 3.94737%     3/76	main() - bb8
 ; PROF: 11. 2.63158%     2/76	oneblock() - entry
 ; PROF: 12. 2.63158%     2/76	main() - entry
 ; PROF: 13. 2.63158%     2/76	main() - bb11
 ; PROF: 14. 2.63158%     2/76	main() - return

 ; ModuleID = '<stdin>'

 @.str = private constant [12 x i8] c"hello world\00", align 1 ; <[12 x i8]*> [#uses=1]
 @.str1 = private constant [6 x i8] c"franz\00", align 1 ; <[6 x i8]*> [#uses=1]
 @.str2 = private constant [9 x i8] c"argc > 2\00", align 1 ; <[9 x i8]*> [#uses=1]
 @.str3 = private constant [9 x i8] c"argc = 1\00", align 1 ; <[9 x i8]*> [#uses=1]
 @.str4 = private constant [6 x i8] c"fritz\00", align 1 ; <[6 x i8]*> [#uses=1]
 @.str5 = private constant [10 x i8] c"argc <= 1\00", align 1 ; <[10 x i8]*> [#uses=1]
 ; INST:@OptEdgeProfCounters
 ; INST:[21 x i32]
 ; INST:[i32 0,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 0,
 ; INST:i32 0,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 0,
 ; INST:i32 0,
 ; INST:i32 -1,
 ; INST:i32 -1,
 ; INST:i32 0,
 ; INST:i32 -1,
 ; INST:i32 -1]

 ; PROF:;;; %oneblock called 2 times.
 ; PROF:;;;
 define void @oneblock() nounwind {
 entry:
 ; PROF:entry:
 ; PROF:	;;; Basic block executed 2 times.
   %0 = call i32 @puts(i8* getelementptr inbounds ([12 x i8]* @.str, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
   ret void
 }

 declare i32 @puts(i8*)

 ; PROF:;;; %main called 2 times.
 ; PROF:;;;
 define i32 @main(i32 %argc, i8** %argv) nounwind {
 entry:
 ; PROF:entry:
 ; PROF:	;;; Basic block executed 2 times.
   %argc_addr = alloca i32                         ; <i32*> [#uses=4]
   %argv_addr = alloca i8**                        ; <i8***> [#uses=1]
   %retval = alloca i32                            ; <i32*> [#uses=2]
   %j = alloca i32                                 ; <i32*> [#uses=4]
   %i = alloca i32                                 ; <i32*> [#uses=4]
   %0 = alloca i32                                 ; <i32*> [#uses=2]
 ; INST:call
 ; INST:@llvm_start_opt_edge_profiling
 ; INST:@OptEdgeProfCounters
   %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
   store i32 %argc, i32* %argc_addr
   store i8** %argv, i8*** %argv_addr
   store i32 0, i32* %i, align 4
   br label %bb10
 ; PROF:	;;; Out-edge counts: [2.000000e+00 -> bb10]

 bb:                                               ; preds = %bb10
 ; PROF:bb:
 ; PROF:	;;; Basic block executed 6 times.
   %1 = load i32* %argc_addr, align 4              ; <i32> [#uses=1]
   %2 = icmp sgt i32 %1, 1                         ; <i1> [#uses=1]
   br i1 %2, label %bb1, label %bb8
 ; PROF:	;;; Out-edge counts: [3.000000e+00 -> bb1] [3.000000e+00 -> bb8]

 bb1:                                              ; preds = %bb
 ; PROF:bb1:
 ; PROF:	;;; Basic block executed 3 times.
   store i32 0, i32* %j, align 4
   br label %bb6
 ; PROF:	;;; Out-edge counts: [3.000000e+00 -> bb6]

 bb2:                                              ; preds = %bb6
 ; PROF:bb2:
 ; PROF:	;;; Basic block executed 9 times.
   %3 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str1, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
   %4 = load i32* %argc_addr, align 4              ; <i32> [#uses=1]
   %5 = icmp sgt i32 %4, 2                         ; <i1> [#uses=1]
   br i1 %5, label %bb3, label %bb4
 ; PROF:	;;; Out-edge counts: [9.000000e+00 -> bb3]

 bb3:                                              ; preds = %bb2
 ; PROF:bb3:
 ; PROF:	;;; Basic block executed 9 times.
   %6 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str2, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
   br label %bb5
 ; PROF:	;;; Out-edge counts: [9.000000e+00 -> bb5]

 bb4:                                              ; preds = %bb2
 ; PROF:bb4:
 ; PROF:	;;; Never executed!
   %7 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str3, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
   br label %bb11

 bb5:                                              ; preds = %bb3
 ; PROF:bb5:
 ; PROF:	;;; Basic block executed 9 times.
   %8 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str4, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
   %9 = load i32* %j, align 4                      ; <i32> [#uses=1]
   %10 = add nsw i32 %9, 1                         ; <i32> [#uses=1]
   store i32 %10, i32* %j, align 4
   br label %bb6
 ; PROF:	;;; Out-edge counts: [9.000000e+00 -> bb6]

 bb6:                                              ; preds = %bb5, %bb1
 ; PROF:bb6:
 ; PROF:	;;; Basic block executed 12 times.
   %11 = load i32* %j, align 4                     ; <i32> [#uses=1]
   %12 = load i32* %argc_addr, align 4             ; <i32> [#uses=1]
   %13 = icmp slt i32 %11, %12                     ; <i1> [#uses=1]
   br i1 %13, label %bb2, label %bb7
 ; PROF:	;;; Out-edge counts: [9.000000e+00 -> bb2] [3.000000e+00 -> bb7]

 bb7:                                              ; preds = %bb6
 ; PROF:bb7:
 ; PROF:	;;; Basic block executed 3 times.
   br label %bb9
 ; PROF:	;;; Out-edge counts: [3.000000e+00 -> bb9]

 bb8:                                              ; preds = %bb
 ; PROF:bb8:
 ; PROF:	;;; Basic block executed 3 times.
   %14 = call i32 @puts(i8* getelementptr inbounds ([10 x i8]* @.str5, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
   br label %bb9
 ; PROF:	;;; Out-edge counts: [3.000000e+00 -> bb9]

 bb9:                                              ; preds = %bb8, %bb7
 ; PROF:bb9:
 ; PROF:	;;; Basic block executed 6 times.
   %15 = load i32* %i, align 4                     ; <i32> [#uses=1]
   %16 = add nsw i32 %15, 1                        ; <i32> [#uses=1]
   store i32 %16, i32* %i, align 4
   br label %bb10
 ; PROF:	;;; Out-edge counts: [6.000000e+00 -> bb10]

 bb10:                                             ; preds = %bb9, %entry
 ; PROF:bb10:
 ; PROF:	;;; Basic block executed 8 times.
   %17 = load i32* %i, align 4                     ; <i32> [#uses=1]
   %18 = icmp ne i32 %17, 3                        ; <i1> [#uses=1]
   br i1 %18, label %bb, label %bb11
 ; INST:br
 ; INST:label %bb10.bb11_crit_edge
 ; PROF:	;;; Out-edge counts: [6.000000e+00 -> bb] [2.000000e+00 -> bb11]

 ; INST:bb10.bb11_crit_edge:
 ; INST:br
 ; INST:label %bb11

 bb11:                                             ; preds = %bb10, %bb4
 ; PROF:bb11:
 ; PROF:	;;; Basic block executed 2 times.
   call void @oneblock() nounwind
   store i32 0, i32* %0, align 4
   %19 = load i32* %0, align 4                     ; <i32> [#uses=1]
   store i32 %19, i32* %retval, align 4
   br label %return
 ; PROF:	;;; Out-edge counts: [2.000000e+00 -> return]

 return:                                           ; preds = %bb11
 ; PROF:return:
 ; PROF:	;;; Basic block executed 2 times.
   %retval12 = load i32* %retval                   ; <i32> [#uses=1]
   ret i32 %retval12
 }
	; RUN: llvm-as %s -o %t1

	; FIXME: The RUX parts of the test are disabled for now, they aren't working on
	; llvm-gcc-x86_64-darwin10-selfhost.

	; Test the edge optimal profiling instrumentation.
	; RUN: opt %t1 -insert-optimal-edge-profiling -o %t2
	; RUX: llvm-dis < %t2 \| FileCheck --check-prefix=INST %s

	; Test the creation, reading and displaying of profile
	; RUX: rm -f llvmprof.out
	; RUX: lli -load %llvmshlibdir/profile_rt%shlibext %t2
	; RUX: lli -load %llvmshlibdir/profile_rt%shlibext %t2 1 2
	; RUX: llvm-prof -print-all-code %t1 \| FileCheck --check-prefix=PROF %s

	; Test the loaded profile also with verifier.
	; RUX opt %t1 -profile-loader -profile-verifier -o %t3

	; Test profile estimator.
	; RUN: opt %t1 -profile-estimator -profile-verifier -o %t3

	; PROF: 1. 2/4 oneblock
	; PROF: 2. 2/4 main
	; PROF: 1. 15.7895% 12/76 main() - bb6
	; PROF: 2. 11.8421% 9/76 main() - bb2
	; PROF: 3. 11.8421% 9/76 main() - bb3
	; PROF: 4. 11.8421% 9/76 main() - bb5
	; PROF: 5. 10.5263% 8/76 main() - bb10
	; PROF: 6. 7.89474% 6/76 main() - bb
	; PROF: 7. 7.89474% 6/76 main() - bb9
	; PROF: 8. 3.94737% 3/76 main() - bb1
	; PROF: 9. 3.94737% 3/76 main() - bb7
	; PROF: 10. 3.94737% 3/76 main() - bb8
	; PROF: 11. 2.63158% 2/76 oneblock() - entry
	; PROF: 12. 2.63158% 2/76 main() - entry
	; PROF: 13. 2.63158% 2/76 main() - bb11
	; PROF: 14. 2.63158% 2/76 main() - return

	; ModuleID = '<stdin>'

	@.str = private constant [12 x i8] c"hello world\00", align 1 ; <[12 x i8]*> [#uses=1]
	@.str1 = private constant [6 x i8] c"franz\00", align 1 ; <[6 x i8]*> [#uses=1]
	@.str2 = private constant [9 x i8] c"argc > 2\00", align 1 ; <[9 x i8]*> [#uses=1]
	@.str3 = private constant [9 x i8] c"argc = 1\00", align 1 ; <[9 x i8]*> [#uses=1]
	@.str4 = private constant [6 x i8] c"fritz\00", align 1 ; <[6 x i8]*> [#uses=1]
	@.str5 = private constant [10 x i8] c"argc <= 1\00", align 1 ; <[10 x i8]*> [#uses=1]
	; INST:@OptEdgeProfCounters
	; INST:[21 x i32]
	; INST:[i32 0,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 0,
	; INST:i32 0,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 0,
	; INST:i32 0,
	; INST:i32 -1,
	; INST:i32 -1,
	; INST:i32 0,
	; INST:i32 -1,
	; INST:i32 -1]

	; PROF:;;; %oneblock called 2 times.
	; PROF:;;;
	define void @oneblock() nounwind {
	entry:
	; PROF:entry:
	; PROF: ;;; Basic block executed 2 times.
	%0 = call i32 @puts(i8* getelementptr inbounds ([12 x i8]* @.str, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
	ret void
	}

	declare i32 @puts(i8*)

	; PROF:;;; %main called 2 times.
	; PROF:;;;
	define i32 @main(i32 %argc, i8** %argv) nounwind {
	entry:
	; PROF:entry:
	; PROF: ;;; Basic block executed 2 times.
	%argc_addr = alloca i32 ; <i32*> [#uses=4]
	%argv_addr = alloca i8 ; <i8*> [#uses=1]
	%retval = alloca i32 ; <i32*> [#uses=2]
	%j = alloca i32 ; <i32*> [#uses=4]
	%i = alloca i32 ; <i32*> [#uses=4]
	%0 = alloca i32 ; <i32*> [#uses=2]
	; INST:call
	; INST:@llvm_start_opt_edge_profiling
	; INST:@OptEdgeProfCounters
	%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
	store i32 %argc, i32* %argc_addr
	store i8 %argv, i8* %argv_addr
	store i32 0, i32* %i, align 4
	br label %bb10
	; PROF: ;;; Out-edge counts: [2.000000e+00 -> bb10]

	bb: ; preds = %bb10
	; PROF:bb:
	; PROF: ;;; Basic block executed 6 times.
	%1 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
	%2 = icmp sgt i32 %1, 1 ; <i1> [#uses=1]
	br i1 %2, label %bb1, label %bb8
	; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb1] [3.000000e+00 -> bb8]

	bb1: ; preds = %bb
	; PROF:bb1:
	; PROF: ;;; Basic block executed 3 times.
	store i32 0, i32* %j, align 4
	br label %bb6
	; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb6]

	bb2: ; preds = %bb6
	; PROF:bb2:
	; PROF: ;;; Basic block executed 9 times.
	%3 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str1, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
	%4 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
	%5 = icmp sgt i32 %4, 2 ; <i1> [#uses=1]
	br i1 %5, label %bb3, label %bb4
	; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb3]

	bb3: ; preds = %bb2
	; PROF:bb3:
	; PROF: ;;; Basic block executed 9 times.
	%6 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str2, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
	br label %bb5
	; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb5]

	bb4: ; preds = %bb2
	; PROF:bb4:
	; PROF: ;;; Never executed!
	%7 = call i32 @puts(i8* getelementptr inbounds ([9 x i8]* @.str3, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
	br label %bb11

	bb5: ; preds = %bb3
	; PROF:bb5:
	; PROF: ;;; Basic block executed 9 times.
	%8 = call i32 @puts(i8* getelementptr inbounds ([6 x i8]* @.str4, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
	%9 = load i32* %j, align 4 ; <i32> [#uses=1]
	%10 = add nsw i32 %9, 1 ; <i32> [#uses=1]
	store i32 %10, i32* %j, align 4
	br label %bb6
	; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb6]

	bb6: ; preds = %bb5, %bb1
	; PROF:bb6:
	; PROF: ;;; Basic block executed 12 times.
	%11 = load i32* %j, align 4 ; <i32> [#uses=1]
	%12 = load i32* %argc_addr, align 4 ; <i32> [#uses=1]
	%13 = icmp slt i32 %11, %12 ; <i1> [#uses=1]
	br i1 %13, label %bb2, label %bb7
	; PROF: ;;; Out-edge counts: [9.000000e+00 -> bb2] [3.000000e+00 -> bb7]

	bb7: ; preds = %bb6
	; PROF:bb7:
	; PROF: ;;; Basic block executed 3 times.
	br label %bb9
	; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb9]

	bb8: ; preds = %bb
	; PROF:bb8:
	; PROF: ;;; Basic block executed 3 times.
	%14 = call i32 @puts(i8* getelementptr inbounds ([10 x i8]* @.str5, i64 0, i64 0)) nounwind ; <i32> [#uses=0]
	br label %bb9
	; PROF: ;;; Out-edge counts: [3.000000e+00 -> bb9]

	bb9: ; preds = %bb8, %bb7
	; PROF:bb9:
	; PROF: ;;; Basic block executed 6 times.
	%15 = load i32* %i, align 4 ; <i32> [#uses=1]
	%16 = add nsw i32 %15, 1 ; <i32> [#uses=1]
	store i32 %16, i32* %i, align 4
	br label %bb10
	; PROF: ;;; Out-edge counts: [6.000000e+00 -> bb10]

	bb10: ; preds = %bb9, %entry
	; PROF:bb10:
	; PROF: ;;; Basic block executed 8 times.
	%17 = load i32* %i, align 4 ; <i32> [#uses=1]
	%18 = icmp ne i32 %17, 3 ; <i1> [#uses=1]
	br i1 %18, label %bb, label %bb11
	; INST:br
	; INST:label %bb10.bb11_crit_edge
	; PROF: ;;; Out-edge counts: [6.000000e+00 -> bb] [2.000000e+00 -> bb11]

	; INST:bb10.bb11_crit_edge:
	; INST:br
	; INST:label %bb11

	bb11: ; preds = %bb10, %bb4
	; PROF:bb11:
	; PROF: ;;; Basic block executed 2 times.
	call void @oneblock() nounwind
	store i32 0, i32* %0, align 4
	%19 = load i32* %0, align 4 ; <i32> [#uses=1]
	store i32 %19, i32* %retval, align 4
	br label %return
	; PROF: ;;; Out-edge counts: [2.000000e+00 -> return]

	return: ; preds = %bb11
	; PROF:return:
	; PROF: ;;; Basic block executed 2 times.
	%retval12 = load i32* %retval ; <i32> [#uses=1]
	ret i32 %retval12
	}