forked from OSchip/llvm-project
112 lines
5.7 KiB
LLVM
112 lines
5.7 KiB
LLVM
; RUN: llc < %s -verify-machineinstrs
|
|
; PR16110
|
|
;
|
|
; This test case contains a value that is split into two connected components
|
|
; by rematerialization during coalescing. It also contains a DBG_VALUE
|
|
; instruction which must be updated during
|
|
; ConnectedVNInfoEqClasses::Distribute().
|
|
|
|
target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
|
|
target triple = "thumbv7-apple-ios3.0.0"
|
|
|
|
@c = common global i32 0, align 4
|
|
@b = common global i32 0, align 4
|
|
@a = common global i64 0, align 8
|
|
@d = common global i32 0, align 4
|
|
|
|
; Function Attrs: nounwind ssp
|
|
define i32 @pr16110() #0 {
|
|
for.cond1.preheader:
|
|
store i32 0, i32* @c, align 4, !dbg !21
|
|
br label %for.cond1.outer, !dbg !26
|
|
|
|
for.cond1: ; preds = %for.end9, %for.cond1.outer
|
|
%storemerge11 = phi i32 [ 0, %for.end9 ], [ %storemerge11.ph, %for.cond1.outer ]
|
|
%cmp = icmp slt i32 %storemerge11, 1, !dbg !26
|
|
br i1 %cmp, label %for.body2, label %for.end9, !dbg !26
|
|
|
|
for.body2: ; preds = %for.cond1
|
|
store i32 %storemerge11, i32* @b, align 4, !dbg !26
|
|
tail call void @llvm.dbg.value(metadata i32* null, i64 0, metadata !11, metadata !DIExpression()), !dbg !28
|
|
%0 = load i64, i64* @a, align 8, !dbg !29
|
|
%xor = xor i64 %0, %e.1.ph, !dbg !29
|
|
%conv3 = trunc i64 %xor to i32, !dbg !29
|
|
tail call void @llvm.dbg.value(metadata i32 %conv3, i64 0, metadata !10, metadata !DIExpression()), !dbg !29
|
|
%tobool4 = icmp eq i32 %conv3, 0, !dbg !29
|
|
br i1 %tobool4, label %land.end, label %land.rhs, !dbg !29
|
|
|
|
land.rhs: ; preds = %for.body2
|
|
%call = tail call i32 bitcast (i32 (...)* @fn3 to i32 ()*)() #3, !dbg !29
|
|
%tobool5 = icmp ne i32 %call, 0, !dbg !29
|
|
br label %land.end
|
|
|
|
land.end: ; preds = %land.rhs, %for.body2
|
|
%1 = phi i1 [ false, %for.body2 ], [ %tobool5, %land.rhs ]
|
|
%land.ext = zext i1 %1 to i32
|
|
%call6 = tail call i32 bitcast (i32 (...)* @fn2 to i32 (i32, i32*)*)(i32 %land.ext, i32* null) #3
|
|
%2 = load i32, i32* @b, align 4, !dbg !26
|
|
%inc8 = add nsw i32 %2, 1, !dbg !26
|
|
%phitmp = and i64 %xor, 4294967295, !dbg !26
|
|
br label %for.cond1.outer, !dbg !26
|
|
|
|
for.cond1.outer: ; preds = %land.end, %for.cond1.preheader
|
|
%storemerge11.ph = phi i32 [ %inc8, %land.end ], [ 0, %for.cond1.preheader ]
|
|
%e.1.ph = phi i64 [ %phitmp, %land.end ], [ 0, %for.cond1.preheader ]
|
|
%3 = load i32, i32* @d, align 4, !dbg !31
|
|
%tobool10 = icmp eq i32 %3, 0, !dbg !31
|
|
br label %for.cond1
|
|
|
|
for.end9: ; preds = %for.cond1
|
|
br i1 %tobool10, label %if.end, label %for.cond1, !dbg !31
|
|
|
|
if.end: ; preds = %for.end9
|
|
store i32 %storemerge11, i32* @b, align 4, !dbg !26
|
|
ret i32 0, !dbg !32
|
|
}
|
|
|
|
declare i32 @fn2(...) #1
|
|
|
|
declare i32 @fn3(...) #1
|
|
|
|
; Function Attrs: nounwind readnone
|
|
declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
|
|
|
|
attributes #0 = { nounwind ssp "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
|
|
attributes #2 = { nounwind readnone }
|
|
attributes #3 = { nounwind }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!33}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (trunk 182024) (llvm/trunk 182023)", isOptimized: true, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !15, imports: !2)
|
|
!1 = !DIFile(filename: "pr16110.c", directory: "/d/b")
|
|
!2 = !{}
|
|
!3 = !{!4}
|
|
!4 = distinct !DISubprogram(name: "pr16110", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 7, file: !1, scope: !5, type: !6, function: i32 ()* @pr16110, variables: !9)
|
|
!5 = !DIFile(filename: "pr16110.c", directory: "/d/b")
|
|
!6 = !DISubroutineType(types: !7)
|
|
!7 = !{!8}
|
|
!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!9 = !{!10, !11}
|
|
!10 = !DILocalVariable(name: "e", line: 8, scope: !4, file: !5, type: !8)
|
|
!11 = !DILocalVariable(name: "f", line: 13, scope: !12, file: !5, type: !14)
|
|
!12 = distinct !DILexicalBlock(line: 12, column: 0, file: !1, scope: !13)
|
|
!13 = distinct !DILexicalBlock(line: 12, column: 0, file: !1, scope: !4)
|
|
!14 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !8)
|
|
!15 = !{!16, !18, !19, !20}
|
|
!16 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !17, variable: i64* @a)
|
|
!17 = !DIBasicType(tag: DW_TAG_base_type, name: "long long int", size: 64, align: 32, encoding: DW_ATE_signed)
|
|
!18 = !DIGlobalVariable(name: "b", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8, variable: i32* @b)
|
|
!19 = !DIGlobalVariable(name: "c", line: 3, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8, variable: i32* @c)
|
|
!20 = !DIGlobalVariable(name: "d", line: 4, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8, variable: i32* @d)
|
|
!21 = !DILocation(line: 10, scope: !22)
|
|
!22 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !4)
|
|
!26 = !DILocation(line: 12, scope: !13)
|
|
!27 = !{i32* null}
|
|
!28 = !DILocation(line: 13, scope: !12)
|
|
!29 = !DILocation(line: 14, scope: !12)
|
|
!31 = !DILocation(line: 16, scope: !4)
|
|
!32 = !DILocation(line: 18, scope: !4)
|
|
!33 = !{i32 1, !"Debug Info Version", i32 3}
|