80 lines
3.6 KiB
LLVM
80 lines
3.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt -S -passes=jump-threading %s -o - -S | FileCheck %s
|
|
; RUN: opt -S -passes=jump-threading %s -o - -S --try-experimental-debuginfo-iterators | FileCheck %s
|
|
|
|
; Test that debug-info records in the Merge block, to be copied by
|
|
; DuplicateInstructionsInSplitBetween, get duplicated into the relevant
|
|
; parent blocks. And that ino jump-threading, the old dbg.value gets
|
|
; deleted.
|
|
|
|
declare void @llvm.experimental.guard(i1, ...)
|
|
|
|
declare i32 @f1()
|
|
declare i32 @f2()
|
|
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata)
|
|
|
|
define i32 @branch_implies_guard(i32 %a) !dbg !7 {
|
|
; CHECK-LABEL: @branch_implies_guard(
|
|
; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[A:%.*]], 10
|
|
; CHECK-NEXT: br i1 [[COND]], label [[T1_SPLIT:%.*]], label [[F1_SPLIT:%.*]], !dbg [[DBG12:![0-9]+]]
|
|
; CHECK: T1.split:
|
|
; CHECK-NEXT: [[V1:%.*]] = call i32 @f1(), !dbg [[DBG12]]
|
|
; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 0, metadata [[META13:![0-9]+]], metadata !DIExpression()), !dbg [[DBG14:![0-9]+]]
|
|
; CHECK-NEXT: [[RETVAL3:%.*]] = add i32 [[V1]], 10, !dbg [[DBG12]]
|
|
; CHECK-NEXT: [[CONDGUARD4:%.*]] = icmp slt i32 [[A]], 20, !dbg [[DBG12]]
|
|
; CHECK-NEXT: br label [[MERGE:%.*]]
|
|
; CHECK: F1.split:
|
|
; CHECK-NEXT: [[V2:%.*]] = call i32 @f2(), !dbg [[DBG12]]
|
|
; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 0, metadata [[META13]], metadata !DIExpression()), !dbg [[DBG14]]
|
|
; CHECK-NEXT: [[RETVAL1:%.*]] = add i32 [[V2]], 10, !dbg [[DBG12]]
|
|
; CHECK-NEXT: [[CONDGUARD2:%.*]] = icmp slt i32 [[A]], 20, !dbg [[DBG12]]
|
|
; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[CONDGUARD2]]) [ "deopt"() ]
|
|
; CHECK-NEXT: br label [[MERGE]]
|
|
; CHECK: Merge:
|
|
; CHECK-NEXT: [[RETPHI:%.*]] = phi i32 [ [[V1]], [[T1_SPLIT]] ], [ [[V2]], [[F1_SPLIT]] ]
|
|
; CHECK-NEXT: [[TMP1:%.*]] = phi i32 [ [[RETVAL3]], [[T1_SPLIT]] ], [ [[RETVAL1]], [[F1_SPLIT]] ]
|
|
; CHECK-NEXT: ret i32 [[TMP1]], !dbg [[DBG12]]
|
|
;
|
|
%cond = icmp slt i32 %a, 10
|
|
br i1 %cond, label %T1, label %F1, !dbg !26
|
|
|
|
T1:
|
|
%v1 = call i32 @f1(), !dbg !26
|
|
br label %Merge
|
|
|
|
F1:
|
|
%v2 = call i32 @f2(), !dbg !26
|
|
br label %Merge
|
|
|
|
Merge:
|
|
%retPhi = phi i32 [ %v1, %T1 ], [ %v2, %F1 ]
|
|
call void @llvm.dbg.value(metadata i32 0, metadata !12, metadata !DIExpression()), !dbg !13
|
|
%retVal = add i32 %retPhi, 10, !dbg !26
|
|
%condGuard = icmp slt i32 %a, 20, !dbg !26
|
|
call void(i1, ...) @llvm.experimental.guard(i1 %condGuard) [ "deopt"() ]
|
|
ret i32 %retVal, !dbg !26
|
|
}
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4, !5}
|
|
!llvm.ident = !{!6}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
|
|
!1 = !DIFile(filename: "test.c", directory: "/tmp/out.c")
|
|
!2 = !{}
|
|
!3 = !{i32 7, !"Dwarf Version", i32 4}
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!5 = !{i32 1, !"wchar_size", i32 4}
|
|
!6 = !{!""}
|
|
!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !8, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
|
|
!8 = !DISubroutineType(types: !9)
|
|
!9 = !{!10, !11, !11}
|
|
!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
|
!11 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)
|
|
!12 = !DILocalVariable(name: "bar", arg: 1, scope: !7, file: !1, line: 3, type: !11)
|
|
!13 = !DILocation(line: 0, scope: !7)
|
|
!14 = !DILocalVariable(name: "baz", arg: 2, scope: !7, file: !1, line: 3, type: !11)
|
|
!19 = distinct !DILexicalBlock(scope: !7, file: !1, line: 8, column: 7)
|
|
!26 = !DILocation(line: 13, column: 3, scope: !7)
|
|
|