forked from OSchip/llvm-project
[SimplifyCFG] Regenerate CHECK lines and add test for PR49982.
This commit is contained in:
Florian Hahn
parent
394eb91854
commit
31b5c2b1d2
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@ -1,28 +1,116 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -S < %s | FileCheck %s
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define i32 @foo(i32 %i) nounwind ssp !dbg !0 {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[I:%.*]], metadata [[META7:![0-9]+]], metadata !DIExpression()), !dbg [[DBG8:![0-9]+]]
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 0, metadata [[META9:![0-9]+]], metadata !DIExpression()), !dbg [[DBG11:![0-9]+]]
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; CHECK-NEXT: [[COND:%.*]] = icmp ne i32 [[I]], 0, !dbg [[DBG12:![0-9]+]]
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; CHECK-NEXT: br i1 [[COND]], label [[THEN:%.*]], label [[ELSE:%.*]], !dbg [[DBG12]]
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; CHECK: then:
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; CHECK-NEXT: [[CALL_1:%.*]] = call i32 (...) @bar(), !dbg [[DBG13:![0-9]+]]
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[CALL_1]], metadata [[META9]], metadata !DIExpression()), !dbg [[DBG13]]
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; CHECK-NEXT: br label [[EXIT:%.*]], !dbg [[DBG15:![0-9]+]]
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; CHECK: else:
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; CHECK-NEXT: [[CALL_2:%.*]] = call i32 (...) @bar(), !dbg [[DBG16:![0-9]+]]
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i32 [[CALL_2]], metadata [[META9]], metadata !DIExpression()), !dbg [[DBG16]]
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; CHECK-NEXT: br label [[EXIT]], !dbg [[DBG18:![0-9]+]]
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; CHECK: exit:
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; CHECK-NEXT: [[K_0:%.*]] = phi i32 [ [[CALL_1]], [[THEN]] ], [ [[CALL_2]], [[ELSE]] ]
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; CHECK-NEXT: ret i32 [[K_0]], !dbg [[DBG19:![0-9]+]]
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;
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entry:
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call void @llvm.dbg.value(metadata i32 %i, metadata !6, metadata !DIExpression()), !dbg !7
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call void @llvm.dbg.value(metadata i32 0, metadata !9, metadata !DIExpression()), !dbg !11
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%1 = icmp ne i32 %i, 0, !dbg !12
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;CHECK: call i32 (...) @bar()
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;CHECK-NEXT: llvm.dbg.value
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br i1 %1, label %2, label %4, !dbg !12
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%cond = icmp ne i32 %i, 0, !dbg !12
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br i1 %cond, label %then, label %else, !dbg !12
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; <label>:2 ; preds = %0
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%3 = call i32 (...) @bar(), !dbg !13
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call void @llvm.dbg.value(metadata i32 %3, metadata !9, metadata !DIExpression()), !dbg !13
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br label %6, !dbg !15
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then:
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%call.1 = call i32 (...) @bar(), !dbg !13
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call void @llvm.dbg.value(metadata i32 %call.1, metadata !9, metadata !DIExpression()), !dbg !13
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br label %exit, !dbg !15
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; <label>:4 ; preds = %0
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%5 = call i32 (...) @bar(), !dbg !16
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call void @llvm.dbg.value(metadata i32 %5, metadata !9, metadata !DIExpression()), !dbg !16
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br label %6, !dbg !18
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else:
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%call.2 = call i32 (...) @bar(), !dbg !16
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call void @llvm.dbg.value(metadata i32 %call.2, metadata !9, metadata !DIExpression()), !dbg !16
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br label %exit, !dbg !18
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; <label>:6 ; preds = %4, %2
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%k.0 = phi i32 [ %3, %2 ], [ %5, %4 ]
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exit:
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%k.0 = phi i32 [ %call.1, %then ], [ %call.2, %else ]
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ret i32 %k.0, !dbg !19
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}
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define i1 @hoist_with_debug2(i32 %x) !dbg !22 {
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; CHECK-LABEL: @hoist_with_debug2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[TOBOOL_NOT:%.*]] = icmp ugt i32 [[X:%.*]], 2
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; CHECK-NEXT: [[P:%.*]] = select i1 [[TOBOOL_NOT]], i1 false, i1 true
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; CHECK-NEXT: ret i1 [[P]]
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;
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entry:
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%tobool.not = icmp ugt i32 %x, 2
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br i1 %tobool.not, label %cond.end.thread, label %cond.end.thread19
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cond.end.thread19: ; preds = %land.lhs.true
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call void @llvm.dbg.value(metadata i32 %x, metadata !24, metadata !DIExpression()), !dbg !25
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br label %exit
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cond.end.thread: ; preds = %land.lhs.true
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call void @llvm.dbg.value(metadata i32 %x, metadata !24, metadata !DIExpression()), !dbg !25
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br label %exit
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exit:
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%p = phi i1 [ true, %cond.end.thread19 ], [ false, %cond.end.thread ]
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ret i1 %p
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}
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; Test case for PR49982.
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define i16 @hoist_with_debug3_pr49982(i32 %x, i1 %c.2) !dbg !26 {
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; CHECK-LABEL: @hoist_with_debug3_pr49982(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: [[C_0:%.*]] = icmp sgt i32 [[X:%.*]], 0
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; CHECK-NEXT: br i1 [[C_0]], label [[CHECK:%.*]], label [[LATCH:%.*]]
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; CHECK: check:
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; CHECK-NEXT: [[C_1:%.*]] = icmp ugt i32 [[X]], 2
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; CHECK-NEXT: br label [[EXIT_1:%.*]]
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; CHECK: latch:
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; CHECK-NEXT: br i1 [[C_2:%.*]], label [[EXIT_1]], label [[FOR_COND]]
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; CHECK: exit.1:
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; CHECK-NEXT: [[MERGE:%.*]] = phi i16 [ 20, [[LATCH]] ], [ 0, [[CHECK]] ]
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; CHECK-NEXT: ret i16 [[MERGE]]
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;
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entry:
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br label %for.cond
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for.cond:
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%c.0 = icmp sgt i32 %x, 0
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br i1 %c.0, label %check, label %latch
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check:
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%c.1 = icmp ugt i32 %x, 2
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br i1 %c.1, label %then, label %else
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then:
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call void @llvm.dbg.value(metadata i32 %x, metadata !28, metadata !DIExpression()), !dbg !29
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br label %exit.2
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else:
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call void @llvm.dbg.value(metadata i32 %x, metadata !28, metadata !DIExpression()), !dbg !29
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br label %exit.2
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latch:
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br i1 %c.2, label %exit.1, label %for.cond
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exit.1:
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ret i16 20
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exit.2:
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ret i16 0
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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declare i32 @bar(...)
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@ -53,3 +141,13 @@ declare void @llvm.dbg.value(metadata, metadata, metadata) nounwind readnone
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!19 = !DILocation(line: 9, column: 3, scope: !10)
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!20 = !DIFile(filename: "b.c", directory: "/private/tmp")
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!21 = !{i32 1, !"Debug Info Version", i32 3}
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!22 = distinct !DISubprogram(name: "bar", line: 20, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !20, scope: !1, type: !3)
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!23 = distinct !DILexicalBlock(line: 21, column: 33, file: !20, scope: !22)
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!24 = !DILocalVariable(name: "y", line: 21, scope: !23, file: !1, type: !5)
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!25 = !DILocation(line: 23, column: 3, scope: !23)
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!26 = distinct !DISubprogram(name: "zar", line: 20, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !2, file: !20, scope: !1, type: !3)
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!27 = distinct !DILexicalBlock(line: 31, column: 33, file: !20, scope: !26)
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!28 = !DILocalVariable(name: "y", line: 21, scope: !27, file: !1, type: !5)
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!29 = !DILocation(line: 33, column: 3, scope: !27)
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