llvm-project/llvm/test/CodeGen/X86/2012-11-30-regpres-dbg.ll

48 lines
2.2 KiB
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-macosx -enable-misched \
; RUN: -verify-machineinstrs | FileCheck %s
;
; Test RegisterPressure handling of DBG_VALUE.
;
; CHECK: %entry
; CHECK: DEBUG_VALUE: test:callback
; CHECK: ret
%struct.btCompoundLeafCallback = type { i32, i32 }
declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
define void @test() unnamed_addr uwtable ssp align 2 !dbg !2 {
entry:
%callback = alloca %struct.btCompoundLeafCallback, align 8
br i1 undef, label %if.end, label %if.then
if.then: ; preds = %entry
unreachable
if.end: ; preds = %entry
call void @llvm.dbg.declare(metadata %struct.btCompoundLeafCallback* %callback, metadata !3, metadata !DIExpression()), !dbg !DILocation(scope: !2)
%m = getelementptr inbounds %struct.btCompoundLeafCallback, %struct.btCompoundLeafCallback* %callback, i64 0, i32 1
store i32 0, i32* undef, align 8
%cmp12447 = icmp sgt i32 undef, 0
br i1 %cmp12447, label %for.body.lr.ph, label %invoke.cont44
for.body.lr.ph: ; preds = %if.end
unreachable
invoke.cont44: ; preds = %if.end
ret void
}
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!8}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 (trunk 168984) (llvm/trunk 168983)", isOptimized: true, emissionKind: FullDebug, file: !6)
!2 = distinct !DISubprogram(name: "test", isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 1, file: !6, scope: !5, type: !7)
!3 = !DILocalVariable(name: "callback", line: 214, scope: !2, type: !4)
!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "btCompoundLeafCallback", line: 90, size: 64, align: 64, file: !6)
!5 = !DIFile(filename: "MultiSource/Benchmarks/Bullet/btCompoundCollisionAlgorithm.cpp", directory: "MultiSource/Benchmarks/Bullet")
!6 = !DIFile(filename: "MultiSource/Benchmarks/Bullet/btCompoundCollisionAlgorithm.cpp", directory: "MultiSource/Benchmarks/Bullet")
!7 = !DISubroutineType(types: !9)
!8 = !{i32 1, !"Debug Info Version", i32 3}
!9 = !{null}