mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-11 13:37:07 +00:00
39a69897ce
Common code sinking is already guarded with a (with default-off!) flag, so add a flag for hoisting, too. D84108 will hopefully make hoisting off-by-default too.
51 lines
2.2 KiB
LLVM
51 lines
2.2 KiB
LLVM
; RUN: opt -simplifycfg -hoist-common-insts=true -S < %s | FileCheck %s
|
|
; Verify that we don't crash due an invalid !dbg location on the hoisted llvm.dbg.value
|
|
|
|
define i64 @caller(i64* %ptr, i64 %flag) !dbg !10 {
|
|
init:
|
|
%v9 = icmp eq i64 %flag, 0
|
|
br i1 %v9, label %a, label %b
|
|
|
|
; CHECK: %vala = load i64, i64* %ptr
|
|
; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 %vala, metadata [[MD:![0-9]*]]
|
|
; CHECK-NEXT: %valbmasked = and i64 %vala, 1
|
|
|
|
a: ; preds = %init
|
|
%vala = load i64, i64* %ptr, align 8
|
|
call void @llvm.dbg.value(metadata i64 %vala, metadata !8, metadata !DIExpression()), !dbg !12
|
|
br label %test.exit
|
|
|
|
b: ; preds = %init
|
|
%valb = load i64, i64* %ptr, align 8
|
|
call void @llvm.dbg.value(metadata i64 %valb, metadata !8, metadata !DIExpression()), !dbg !13
|
|
%valbmasked = and i64 %valb, 1
|
|
br label %test.exit
|
|
|
|
test.exit: ; preds = %a, %b
|
|
%retv = phi i64 [ %vala, %a ], [ %valbmasked, %b ]
|
|
ret i64 %retv
|
|
}
|
|
|
|
; Function Attrs: nounwind readnone speculatable
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata) #0
|
|
|
|
attributes #0 = { nounwind readnone speculatable }
|
|
|
|
!llvm.module.flags = !{!0}
|
|
!llvm.dbg.cu = !{!1}
|
|
|
|
!0 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !3)
|
|
!2 = !DIFile(filename: "optbug", directory: "")
|
|
!3 = !{}
|
|
!4 = distinct !DISubprogram(name: "callee", scope: !2, file: !2, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !1, retainedNodes: !7)
|
|
!5 = !DISubroutineType(types: !6)
|
|
!6 = !{null}
|
|
!7 = !{!8}
|
|
!8 = !DILocalVariable(name: "var", scope: !4, file: !2, type: !9)
|
|
!9 = !DIBasicType(name: "var_t", size: 64, encoding: DW_ATE_unsigned)
|
|
!10 = distinct !DISubprogram(name: "caller", scope: !2, file: !2, line: 5, type: !5, isLocal: false, isDefinition: true, scopeLine: 5, isOptimized: false, unit: !1, retainedNodes: !3)
|
|
!11 = distinct !DILocation(line: 6, scope: !10)
|
|
!12 = !DILocation(line: 2, scope: !4, inlinedAt: !11)
|
|
!13 = !DILocation(line: 3, scope: !4, inlinedAt: !11)
|