ead9ad2960
This PR removes tests with br i1 undef under `llvm/tests/Transforms/JumpThreading, LCSSA, LICM, LoopDeletion, LoopIdiom`.
114 lines
4.0 KiB
LLVM
114 lines
4.0 KiB
LLVM
; RUN: opt -S -passes=jump-threading < %s | FileCheck %s
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; @process_block_branch checks that JumpThreading's processBlock() propagates
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; the debug location to the new branch instruction.
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; @process_threadable_edges_branch checks that JumpThreading's processThreadableEdges()
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; propagates the debug location to the new branch instruction.
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define i32 @process_block_branch(i32 %action) #0 !dbg !5 {
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; CHECK-LABEL: define i32 @process_block_branch(
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; CHECK: for.cond:
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; CHECK-NEXT: br label %for.cond, !dbg [[DBG10:![0-9]+]]
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;
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entry:
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switch i32 %action, label %lor.rhs [
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i32 1, label %if.then
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i32 0, label %lor.end
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], !dbg !8
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if.then: ; preds = %for.cond, %lor.end, %entry
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ret i32 undef, !dbg !9
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lor.rhs: ; preds = %entry
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br label %lor.end, !dbg !10
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lor.end: ; preds = %lor.rhs, %entry
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br i1 false, label %for.cond, label %if.then, !dbg !12
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for.cond: ; preds = %for.body, %lor.end
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br i1 false, label %if.then, label %for.body, !dbg !13
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for.body: ; preds = %for.cond
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br label %for.cond, !dbg !14
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}
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define void @process_threadable_edges_branch(i32 %value) #0 !dbg !15 {
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; CHECK-LABEL: define void @process_threadable_edges_branch(
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; CHECK: L0:
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; CHECK: br label %L2, !dbg [[DBG17:![0-9]+]]
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;
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entry:
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%cmp = icmp eq i32 %value, 32, !dbg !16
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%add = add i32 %value, 64, !dbg !17
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br i1 %cmp, label %L0, label %L2, !dbg !18
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L0: ; preds = %entry
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%0 = call i32 @f2(), !dbg !19
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%1 = call i32 @f2(), !dbg !20
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switch i32 %add, label %L3 [
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i32 32, label %L1
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i32 96, label %L2
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], !dbg !21
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L1: ; preds = %L0
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call void @f3(), !dbg !22
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ret void, !dbg !23
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L2: ; preds = %L0, %entry
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call void @f4(i32 %add), !dbg !24
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ret void, !dbg !25
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L3: ; preds = %L0
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call void @f3(), !dbg !26
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ret void, !dbg !27
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}
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declare i32 @f1()
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declare i32 @f2()
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declare void @f3()
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declare void @f4(i32)
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attributes #0 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.debugify = !{!2, !3}
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!llvm.module.flags = !{!4}
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;.
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; CHECK: [[DBG10]] = !DILocation(line: 6,
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; CHECK: [[DBG17]] = !DILocation(line: 13,
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;.
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
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!1 = !DIFile(filename: "temp.ll", directory: "/")
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!2 = !{i32 30}
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!3 = !{i32 0}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DISubprogram(name: "process_block_branch", linkageName: "process_block_branch", scope: null, file: !1, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
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!6 = !DISubroutineType(types: !7)
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!7 = !{}
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!8 = !DILocation(line: 1, column: 1, scope: !5)
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!9 = !DILocation(line: 2, column: 1, scope: !5)
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!10 = !DILocation(line: 3, column: 1, scope: !5)
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!11 = !DILocation(line: 4, column: 1, scope: !5)
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!12 = !DILocation(line: 5, column: 1, scope: !5)
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!13 = !DILocation(line: 6, column: 1, scope: !5)
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!14 = !DILocation(line: 7, column: 1, scope: !5)
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!15 = distinct !DISubprogram(name: "process_threadable_edges_branch", linkageName: "process_threadable_edges_branch", scope: null, file: !1, line: 8, type: !6, scopeLine: 8, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
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!16 = !DILocation(line: 8, column: 1, scope: !15)
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!17 = !DILocation(line: 9, column: 1, scope: !15)
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!18 = !DILocation(line: 10, column: 1, scope: !15)
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!19 = !DILocation(line: 11, column: 1, scope: !15)
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!20 = !DILocation(line: 12, column: 1, scope: !15)
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!21 = !DILocation(line: 13, column: 1, scope: !15)
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!22 = !DILocation(line: 14, column: 1, scope: !15)
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!23 = !DILocation(line: 15, column: 1, scope: !15)
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!24 = !DILocation(line: 16, column: 1, scope: !15)
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!25 = !DILocation(line: 17, column: 1, scope: !15)
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!26 = !DILocation(line: 18, column: 1, scope: !15)
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!27 = !DILocation(line: 19, column: 1, scope: !15)
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