You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
146 lines
6.6 KiB
146 lines
6.6 KiB
; RUN: opt -S -loop-rotate < %s | FileCheck %s
|
|
|
|
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
|
|
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
|
|
|
|
define i32 @tak(i32 %x, i32 %y, i32 %z) nounwind ssp !dbg !0 {
|
|
; CHECK-LABEL: define i32 @tak(
|
|
; CHECK: entry
|
|
; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 %x
|
|
; CHECK: tail call void @llvm.dbg.value(metadata i32 %call
|
|
|
|
entry:
|
|
br label %tailrecurse
|
|
|
|
tailrecurse: ; preds = %if.then, %entry
|
|
%x.tr = phi i32 [ %x, %entry ], [ %call, %if.then ]
|
|
%y.tr = phi i32 [ %y, %entry ], [ %call9, %if.then ]
|
|
%z.tr = phi i32 [ %z, %entry ], [ %call14, %if.then ]
|
|
tail call void @llvm.dbg.value(metadata i32 %x.tr, i64 0, metadata !6, metadata !DIExpression()), !dbg !7
|
|
tail call void @llvm.dbg.value(metadata i32 %y.tr, i64 0, metadata !8, metadata !DIExpression()), !dbg !9
|
|
tail call void @llvm.dbg.value(metadata i32 %z.tr, i64 0, metadata !10, metadata !DIExpression()), !dbg !11
|
|
%cmp = icmp slt i32 %y.tr, %x.tr, !dbg !12
|
|
br i1 %cmp, label %if.then, label %if.end, !dbg !12
|
|
|
|
if.then: ; preds = %tailrecurse
|
|
%sub = sub nsw i32 %x.tr, 1, !dbg !14
|
|
%call = tail call i32 @tak(i32 %sub, i32 %y.tr, i32 %z.tr), !dbg !14
|
|
%sub6 = sub nsw i32 %y.tr, 1, !dbg !14
|
|
%call9 = tail call i32 @tak(i32 %sub6, i32 %z.tr, i32 %x.tr), !dbg !14
|
|
%sub11 = sub nsw i32 %z.tr, 1, !dbg !14
|
|
%call14 = tail call i32 @tak(i32 %sub11, i32 %x.tr, i32 %y.tr), !dbg !14
|
|
br label %tailrecurse
|
|
|
|
if.end: ; preds = %tailrecurse
|
|
br label %return, !dbg !16
|
|
|
|
return: ; preds = %if.end
|
|
ret i32 %z.tr, !dbg !17
|
|
}
|
|
|
|
define i32 @tak2(i32 %x, i32 %y, i32 %z) nounwind ssp !dbg !0 {
|
|
; CHECK-LABEL: define i32 @tak2(
|
|
; CHECK: entry
|
|
; CHECK: tail call void @llvm.dbg.value(metadata i32 %x.tr
|
|
; CHECK: tail call void @llvm.dbg.value(metadata i32 undef
|
|
|
|
entry:
|
|
br label %tailrecurse
|
|
|
|
tailrecurse: ; preds = %if.then, %entry
|
|
%x.tr = phi i32 [ %x, %entry ], [ %call, %if.then ]
|
|
%y.tr = phi i32 [ %y, %entry ], [ %call9, %if.then ]
|
|
%z.tr = phi i32 [ %z, %entry ], [ %call14, %if.then ]
|
|
%cmp = icmp slt i32 %y.tr, %x.tr, !dbg !12
|
|
br i1 %cmp, label %if.then, label %if.end, !dbg !12
|
|
|
|
if.then: ; preds = %tailrecurse
|
|
tail call void @llvm.dbg.value(metadata i32 %x.tr, i64 0, metadata !6, metadata !DIExpression()), !dbg !7
|
|
tail call void @llvm.dbg.value(metadata i32 %y.tr, i64 0, metadata !8, metadata !DIExpression()), !dbg !9
|
|
tail call void @llvm.dbg.value(metadata i32 %z.tr, i64 0, metadata !10, metadata !DIExpression()), !dbg !11
|
|
%sub = sub nsw i32 %x.tr, 1, !dbg !14
|
|
%call = tail call i32 @tak(i32 %sub, i32 %y.tr, i32 %z.tr), !dbg !14
|
|
%sub6 = sub nsw i32 %y.tr, 1, !dbg !14
|
|
%call9 = tail call i32 @tak(i32 %sub6, i32 %z.tr, i32 %x.tr), !dbg !14
|
|
%sub11 = sub nsw i32 %z.tr, 1, !dbg !14
|
|
%call14 = tail call i32 @tak(i32 %sub11, i32 %x.tr, i32 %y.tr), !dbg !14
|
|
br label %tailrecurse
|
|
|
|
if.end: ; preds = %tailrecurse
|
|
tail call void @llvm.dbg.value(metadata i32 %x.tr, i64 0, metadata !6, metadata !DIExpression()), !dbg !7
|
|
tail call void @llvm.dbg.value(metadata i32 %y.tr, i64 0, metadata !8, metadata !DIExpression()), !dbg !9
|
|
tail call void @llvm.dbg.value(metadata i32 %z.tr, i64 0, metadata !10, metadata !DIExpression()), !dbg !11
|
|
br label %return, !dbg !16
|
|
|
|
return: ; preds = %if.end
|
|
ret i32 %z.tr, !dbg !17
|
|
}
|
|
|
|
@channelColumns = external global i64
|
|
@horzPlane = external global i8*, align 8
|
|
|
|
define void @FindFreeHorzSeg(i64 %startCol, i64 %row, i64* %rowStart) {
|
|
; Ensure that the loop increment basic block is rotated into the tail of the
|
|
; body, even though it contains a debug intrinsic call.
|
|
; CHECK-LABEL: define void @FindFreeHorzSeg(
|
|
; CHECK: %dec = add
|
|
; CHECK-NEXT: tail call void @llvm.dbg.value
|
|
; CHECK: %cmp = icmp
|
|
; CHECK: br i1 %cmp
|
|
; CHECK: phi i64 [ %{{[^,]*}}, %{{[^,]*}} ]
|
|
; CHECK-NEXT: br label %for.end
|
|
|
|
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond:
|
|
%i.0 = phi i64 [ %startCol, %entry ], [ %dec, %for.inc ]
|
|
%cmp = icmp eq i64 %i.0, 0
|
|
br i1 %cmp, label %for.end, label %for.body
|
|
|
|
for.body:
|
|
%0 = load i64, i64* @channelColumns, align 8
|
|
%mul = mul i64 %0, %row
|
|
%add = add i64 %mul, %i.0
|
|
%1 = load i8*, i8** @horzPlane, align 8
|
|
%arrayidx = getelementptr inbounds i8, i8* %1, i64 %add
|
|
%2 = load i8, i8* %arrayidx, align 1
|
|
%tobool = icmp eq i8 %2, 0
|
|
br i1 %tobool, label %for.inc, label %for.end
|
|
|
|
for.inc:
|
|
%dec = add i64 %i.0, -1
|
|
tail call void @llvm.dbg.value(metadata i64 %dec, i64 0, metadata !DILocalVariable(scope: !0), metadata !DIExpression()), !dbg !DILocation(scope: !0)
|
|
br label %for.cond
|
|
|
|
for.end:
|
|
%add1 = add i64 %i.0, 1
|
|
store i64 %add1, i64* %rowStart, align 8
|
|
ret void
|
|
}
|
|
|
|
!llvm.module.flags = !{!20}
|
|
!llvm.dbg.cu = !{!2}
|
|
|
|
!0 = distinct !DISubprogram(name: "tak", line: 32, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !18, scope: !1, type: !3)
|
|
!1 = !DIFile(filename: "/Volumes/Lalgate/cj/llvm/projects/llvm-test/SingleSource/Benchmarks/BenchmarkGame/recursive.c", directory: "/Volumes/Lalgate/cj/D/projects/llvm-test/SingleSource/Benchmarks/BenchmarkGame")
|
|
!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 2.9 (trunk 125492)", isOptimized: true, emissionKind: FullDebug, file: !18)
|
|
!3 = !DISubroutineType(types: !4)
|
|
!4 = !{!5}
|
|
!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!6 = !DILocalVariable(name: "x", line: 32, arg: 1, scope: !0, file: !1, type: !5)
|
|
!7 = !DILocation(line: 32, column: 13, scope: !0)
|
|
!8 = !DILocalVariable(name: "y", line: 32, arg: 2, scope: !0, file: !1, type: !5)
|
|
!9 = !DILocation(line: 32, column: 20, scope: !0)
|
|
!10 = !DILocalVariable(name: "z", line: 32, arg: 3, scope: !0, file: !1, type: !5)
|
|
!11 = !DILocation(line: 32, column: 27, scope: !0)
|
|
!12 = !DILocation(line: 33, column: 3, scope: !13)
|
|
!13 = distinct !DILexicalBlock(line: 32, column: 30, file: !18, scope: !0)
|
|
!14 = !DILocation(line: 34, column: 5, scope: !15)
|
|
!15 = distinct !DILexicalBlock(line: 33, column: 14, file: !18, scope: !13)
|
|
!16 = !DILocation(line: 36, column: 3, scope: !13)
|
|
!17 = !DILocation(line: 37, column: 1, scope: !13)
|
|
!18 = !DIFile(filename: "/Volumes/Lalgate/cj/llvm/projects/llvm-test/SingleSource/Benchmarks/BenchmarkGame/recursive.c", directory: "/Volumes/Lalgate/cj/D/projects/llvm-test/SingleSource/Benchmarks/BenchmarkGame")
|
|
!20 = !{i32 1, !"Debug Info Version", i32 3}
|