214 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			214 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: opt -S -loop-vectorize -pass-remarks-missed=loop-vectorize \
 | |
| ; RUN:     -pass-remarks-with-hotness < %s 2>&1 | \
 | |
| ; RUN:     FileCheck -check-prefix=HOTNESS -check-prefix=BOTH %s
 | |
| 
 | |
| ; RUN: opt -S -loop-vectorize -pass-remarks-missed=loop-vectorize < %s 2>&1 | \
 | |
| ; RUN:     FileCheck -check-prefix=NO_HOTNESS -check-prefix=BOTH %s
 | |
| 
 | |
| 
 | |
| ; RUN: opt -S -passes=loop-vectorize -pass-remarks-missed=loop-vectorize \
 | |
| ; RUN:     -pass-remarks-with-hotness < %s 2>&1 | \
 | |
| ; RUN:     FileCheck -check-prefix=HOTNESS -check-prefix=BOTH %s
 | |
| 
 | |
| ; RUN: opt -S -passes=loop-vectorize \
 | |
| ; RUN:     -pass-remarks-missed=loop-vectorize < %s 2>&1 | \
 | |
| ; RUN:     FileCheck -check-prefix=NO_HOTNESS -check-prefix=BOTH %s
 | |
| 
 | |
| 
 | |
| ;   1	void cold(char *A, char *B, char *C, char *D, char *E, int N) {
 | |
| ;   2	  for(int i = 0; i < N; i++) {
 | |
| ;   3	    A[i + 1] = A[i] + B[i];
 | |
| ;   4	    C[i] = D[i] * E[i];
 | |
| ;   5	  }
 | |
| ;   6	}
 | |
| ;   7
 | |
| ;   8	void hot(char *A, char *B, char *C, char *D, char *E, int N) {
 | |
| ;   9	  for(int i = 0; i < N; i++) {
 | |
| ;  10	    A[i + 1] = A[i] + B[i];
 | |
| ;  11	    C[i] = D[i] * E[i];
 | |
| ;  12	  }
 | |
| ;  13	}
 | |
| ;  14
 | |
| ;  15	void unknown(char *A, char *B, char *C, char *D, char *E, int N) {
 | |
| ;  16	  for(int i = 0; i < N; i++) {
 | |
| ;  17	    A[i + 1] = A[i] + B[i];
 | |
| ;  18	    C[i] = D[i] * E[i];
 | |
| ;  19	  }
 | |
| ;  20	}
 | |
| 
 | |
| ; HOTNESS: remark: /tmp/s.c:2:3: loop not vectorized (hotness: 300)
 | |
| ; NO_HOTNESS: remark: /tmp/s.c:2:3: loop not vectorized{{$}}
 | |
| ; HOTNESS: remark: /tmp/s.c:9:3: loop not vectorized (hotness: 5000)
 | |
| ; NO_HOTNESS: remark: /tmp/s.c:9:3: loop not vectorized{{$}}
 | |
| ; BOTH: remark: /tmp/s.c:16:3: loop not vectorized{{$}}
 | |
| 
 | |
| ; ModuleID = '/tmp/s.c'
 | |
| source_filename = "/tmp/s.c"
 | |
| target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
 | |
| 
 | |
| ; Function Attrs: norecurse nounwind ssp uwtable
 | |
| define void @cold(i8* nocapture %A, i8* nocapture readonly %B, i8* nocapture %C, i8* nocapture readonly %D, i8* nocapture readonly %E, i32 %N) local_unnamed_addr #0 !dbg !7 !prof !56 {
 | |
| entry:
 | |
|   %cmp28 = icmp sgt i32 %N, 0, !dbg !9
 | |
|   br i1 %cmp28, label %ph, label %for.cond.cleanup, !dbg !10, !prof !58
 | |
| 
 | |
| ph:
 | |
|   br label %for.body
 | |
| 
 | |
| for.body:
 | |
|   %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %ph ]
 | |
|   %arrayidx = getelementptr inbounds i8, i8* %A, i64 %indvars.iv, !dbg !12
 | |
|   %0 = load i8, i8* %arrayidx, align 1, !dbg !12, !tbaa !13
 | |
|   %arrayidx2 = getelementptr inbounds i8, i8* %B, i64 %indvars.iv, !dbg !16
 | |
|   %1 = load i8, i8* %arrayidx2, align 1, !dbg !16, !tbaa !13
 | |
|   %add = add i8 %1, %0, !dbg !17
 | |
|   %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !10
 | |
|   %arrayidx7 = getelementptr inbounds i8, i8* %A, i64 %indvars.iv.next, !dbg !18
 | |
|   store i8 %add, i8* %arrayidx7, align 1, !dbg !19, !tbaa !13
 | |
|   %arrayidx9 = getelementptr inbounds i8, i8* %D, i64 %indvars.iv, !dbg !20
 | |
|   %2 = load i8, i8* %arrayidx9, align 1, !dbg !20, !tbaa !13
 | |
|   %arrayidx12 = getelementptr inbounds i8, i8* %E, i64 %indvars.iv, !dbg !21
 | |
|   %3 = load i8, i8* %arrayidx12, align 1, !dbg !21, !tbaa !13
 | |
|   %mul = mul i8 %3, %2, !dbg !22
 | |
|   %arrayidx16 = getelementptr inbounds i8, i8* %C, i64 %indvars.iv, !dbg !23
 | |
|   store i8 %mul, i8* %arrayidx16, align 1, !dbg !24, !tbaa !13
 | |
|   %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !10
 | |
|   %exitcond = icmp eq i32 %lftr.wideiv, %N, !dbg !10
 | |
|   br i1 %exitcond, label %for.cond.cleanup, label %for.body, !dbg !10, !llvm.loop !25, !prof !59
 | |
| 
 | |
| for.cond.cleanup:
 | |
|   ret void, !dbg !11
 | |
| }
 | |
| 
 | |
| ; Function Attrs: norecurse nounwind ssp uwtable
 | |
| define void @hot(i8* nocapture %A, i8* nocapture readonly %B, i8* nocapture %C, i8* nocapture readonly %D, i8* nocapture readonly %E, i32 %N) local_unnamed_addr #0 !dbg !26 !prof !57 {
 | |
| entry:
 | |
|   %cmp28 = icmp sgt i32 %N, 0, !dbg !27
 | |
|   br i1 %cmp28, label %ph, label %for.cond.cleanup, !dbg !28, !prof !58
 | |
| 
 | |
| ph:
 | |
|   br label %for.body
 | |
| 
 | |
| for.body:
 | |
|   %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %ph ]
 | |
|   %arrayidx = getelementptr inbounds i8, i8* %A, i64 %indvars.iv, !dbg !30
 | |
|   %0 = load i8, i8* %arrayidx, align 1, !dbg !30, !tbaa !13
 | |
|   %arrayidx2 = getelementptr inbounds i8, i8* %B, i64 %indvars.iv, !dbg !31
 | |
|   %1 = load i8, i8* %arrayidx2, align 1, !dbg !31, !tbaa !13
 | |
|   %add = add i8 %1, %0, !dbg !32
 | |
|   %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !28
 | |
|   %arrayidx7 = getelementptr inbounds i8, i8* %A, i64 %indvars.iv.next, !dbg !33
 | |
|   store i8 %add, i8* %arrayidx7, align 1, !dbg !34, !tbaa !13
 | |
|   %arrayidx9 = getelementptr inbounds i8, i8* %D, i64 %indvars.iv, !dbg !35
 | |
|   %2 = load i8, i8* %arrayidx9, align 1, !dbg !35, !tbaa !13
 | |
|   %arrayidx12 = getelementptr inbounds i8, i8* %E, i64 %indvars.iv, !dbg !36
 | |
|   %3 = load i8, i8* %arrayidx12, align 1, !dbg !36, !tbaa !13
 | |
|   %mul = mul i8 %3, %2, !dbg !37
 | |
|   %arrayidx16 = getelementptr inbounds i8, i8* %C, i64 %indvars.iv, !dbg !38
 | |
|   store i8 %mul, i8* %arrayidx16, align 1, !dbg !39, !tbaa !13
 | |
|   %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !28
 | |
|   %exitcond = icmp eq i32 %lftr.wideiv, %N, !dbg !28
 | |
|   br i1 %exitcond, label %for.cond.cleanup, label %for.body, !dbg !28, !llvm.loop !40, !prof !59
 | |
| 
 | |
| for.cond.cleanup:
 | |
|   ret void, !dbg !29
 | |
| }
 | |
| 
 | |
| ; Function Attrs: norecurse nounwind ssp uwtable
 | |
| define void @unknown(i8* nocapture %A, i8* nocapture readonly %B, i8* nocapture %C, i8* nocapture readonly %D, i8* nocapture readonly %E, i32 %N) local_unnamed_addr #0 !dbg !41 {
 | |
| entry:
 | |
|   %cmp28 = icmp sgt i32 %N, 0, !dbg !42
 | |
|   br i1 %cmp28, label %for.body, label %for.cond.cleanup, !dbg !43
 | |
| 
 | |
| for.cond.cleanup:                                 ; preds = %for.body, %entry
 | |
|   ret void, !dbg !44
 | |
| 
 | |
| for.body:                                         ; preds = %entry, %for.body
 | |
|   %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
 | |
|   %arrayidx = getelementptr inbounds i8, i8* %A, i64 %indvars.iv, !dbg !45
 | |
|   %0 = load i8, i8* %arrayidx, align 1, !dbg !45, !tbaa !13
 | |
|   %arrayidx2 = getelementptr inbounds i8, i8* %B, i64 %indvars.iv, !dbg !46
 | |
|   %1 = load i8, i8* %arrayidx2, align 1, !dbg !46, !tbaa !13
 | |
|   %add = add i8 %1, %0, !dbg !47
 | |
|   %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !43
 | |
|   %arrayidx7 = getelementptr inbounds i8, i8* %A, i64 %indvars.iv.next, !dbg !48
 | |
|   store i8 %add, i8* %arrayidx7, align 1, !dbg !49, !tbaa !13
 | |
|   %arrayidx9 = getelementptr inbounds i8, i8* %D, i64 %indvars.iv, !dbg !50
 | |
|   %2 = load i8, i8* %arrayidx9, align 1, !dbg !50, !tbaa !13
 | |
|   %arrayidx12 = getelementptr inbounds i8, i8* %E, i64 %indvars.iv, !dbg !51
 | |
|   %3 = load i8, i8* %arrayidx12, align 1, !dbg !51, !tbaa !13
 | |
|   %mul = mul i8 %3, %2, !dbg !52
 | |
|   %arrayidx16 = getelementptr inbounds i8, i8* %C, i64 %indvars.iv, !dbg !53
 | |
|   store i8 %mul, i8* %arrayidx16, align 1, !dbg !54, !tbaa !13
 | |
|   %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !43
 | |
|   %exitcond = icmp eq i32 %lftr.wideiv, %N, !dbg !43
 | |
|   br i1 %exitcond, label %for.cond.cleanup, label %for.body, !dbg !43, !llvm.loop !55
 | |
| }
 | |
| 
 | |
| attributes #0 = { norecurse nounwind ssp uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="core2" "target-features"="+cx16,+fxsr,+mmx,+sse,+sse2,+sse3,+ssse3,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
 | |
| 
 | |
| !llvm.dbg.cu = !{!0}
 | |
| !llvm.module.flags = !{!3, !4, !5}
 | |
| !llvm.ident = !{!6}
 | |
| 
 | |
| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 273572) (llvm/trunk 273585)", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
 | |
| !1 = !DIFile(filename: "/tmp/s.c", directory: "/tmp")
 | |
| !2 = !{}
 | |
| !3 = !{i32 2, !"Dwarf Version", i32 2}
 | |
| !4 = !{i32 2, !"Debug Info Version", i32 3}
 | |
| !5 = !{i32 1, !"PIC Level", i32 2}
 | |
| !6 = !{!"clang version 3.9.0 (trunk 273572) (llvm/trunk 273585)"}
 | |
| !7 = distinct !DISubprogram(name: "cold", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
 | |
| !8 = !DISubroutineType(types: !2)
 | |
| !9 = !DILocation(line: 2, column: 20, scope: !7)
 | |
| !10 = !DILocation(line: 2, column: 3, scope: !7)
 | |
| !11 = !DILocation(line: 6, column: 1, scope: !7)
 | |
| !12 = !DILocation(line: 3, column: 16, scope: !7)
 | |
| !13 = !{!14, !14, i64 0}
 | |
| !14 = !{!"omnipotent char", !15, i64 0}
 | |
| !15 = !{!"Simple C/C++ TBAA"}
 | |
| !16 = !DILocation(line: 3, column: 23, scope: !7)
 | |
| !17 = !DILocation(line: 3, column: 21, scope: !7)
 | |
| !18 = !DILocation(line: 3, column: 5, scope: !7)
 | |
| !19 = !DILocation(line: 3, column: 14, scope: !7)
 | |
| !20 = !DILocation(line: 4, column: 12, scope: !7)
 | |
| !21 = !DILocation(line: 4, column: 19, scope: !7)
 | |
| !22 = !DILocation(line: 4, column: 17, scope: !7)
 | |
| !23 = !DILocation(line: 4, column: 5, scope: !7)
 | |
| !24 = !DILocation(line: 4, column: 10, scope: !7)
 | |
| !25 = distinct !{!25, !10}
 | |
| !26 = distinct !DISubprogram(name: "hot", scope: !1, file: !1, line: 8, type: !8, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
 | |
| !27 = !DILocation(line: 9, column: 20, scope: !26)
 | |
| !28 = !DILocation(line: 9, column: 3, scope: !26)
 | |
| !29 = !DILocation(line: 13, column: 1, scope: !26)
 | |
| !30 = !DILocation(line: 10, column: 16, scope: !26)
 | |
| !31 = !DILocation(line: 10, column: 23, scope: !26)
 | |
| !32 = !DILocation(line: 10, column: 21, scope: !26)
 | |
| !33 = !DILocation(line: 10, column: 5, scope: !26)
 | |
| !34 = !DILocation(line: 10, column: 14, scope: !26)
 | |
| !35 = !DILocation(line: 11, column: 12, scope: !26)
 | |
| !36 = !DILocation(line: 11, column: 19, scope: !26)
 | |
| !37 = !DILocation(line: 11, column: 17, scope: !26)
 | |
| !38 = !DILocation(line: 11, column: 5, scope: !26)
 | |
| !39 = !DILocation(line: 11, column: 10, scope: !26)
 | |
| !40 = distinct !{!40, !28}
 | |
| !41 = distinct !DISubprogram(name: "unknown", scope: !1, file: !1, line: 15, type: !8, isLocal: false, isDefinition: true, scopeLine: 15, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
 | |
| !42 = !DILocation(line: 16, column: 20, scope: !41)
 | |
| !43 = !DILocation(line: 16, column: 3, scope: !41)
 | |
| !44 = !DILocation(line: 20, column: 1, scope: !41)
 | |
| !45 = !DILocation(line: 17, column: 16, scope: !41)
 | |
| !46 = !DILocation(line: 17, column: 23, scope: !41)
 | |
| !47 = !DILocation(line: 17, column: 21, scope: !41)
 | |
| !48 = !DILocation(line: 17, column: 5, scope: !41)
 | |
| !49 = !DILocation(line: 17, column: 14, scope: !41)
 | |
| !50 = !DILocation(line: 18, column: 12, scope: !41)
 | |
| !51 = !DILocation(line: 18, column: 19, scope: !41)
 | |
| !52 = !DILocation(line: 18, column: 17, scope: !41)
 | |
| !53 = !DILocation(line: 18, column: 5, scope: !41)
 | |
| !54 = !DILocation(line: 18, column: 10, scope: !41)
 | |
| !55 = distinct !{!55, !43}
 | |
| !56 = !{!"function_entry_count", i64 3}
 | |
| !57 = !{!"function_entry_count", i64 50}
 | |
| !58 = !{!"branch_weights", i32 99, i32 1}
 | |
| !59 = !{!"branch_weights", i32 1, i32 99}
 |