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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
104 lines
4.5 KiB
LLVM
104 lines
4.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -S -loop-rotate -o - -verify-loop-info -verify-dom-info | FileCheck %s
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; RUN: opt < %s -S -loop-rotate -o - -verify-loop-info -verify-dom-info -enable-mssa-loop-dependency=true | FileCheck %s
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@d = external global i64, align 8
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@f = external global i32, align 4
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@g = external global i32, align 4
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@i = external global i32, align 4
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@h = external global i32, align 4
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define i32 @o() #0 {
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; CHECK-LABEL: @o(
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; CHECK-NEXT: [[TMP1:%.*]] = alloca [1 x i32], align 4
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; CHECK-NEXT: [[TMP2:%.*]] = load i8*, i8** bitcast (i64* @d to i8**), align 8
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; CHECK-NEXT: [[TMP3:%.*]] = load i32, i32* @f, align 4
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; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[TMP3]], 0
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; CHECK-NEXT: br i1 [[TMP4]], label [[TMP17:%.*]], label [[DOTLR_PH2:%.*]]
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; CHECK: .lr.ph2:
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; CHECK-NEXT: br label [[TMP5:%.*]]
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; CHECK: [[TMP6:%.*]] = phi i32 [ [[TMP3]], [[DOTLR_PH2]] ], [ [[TMP15:%.*]], [[M_EXIT:%.*]] ]
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; CHECK-NEXT: [[TMP7:%.*]] = icmp ult i32 [[TMP6]], 4
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; CHECK-NEXT: [[TMP8:%.*]] = zext i1 [[TMP7]] to i32
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; CHECK-NEXT: store i32 [[TMP8]], i32* @g, align 4
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; CHECK-NEXT: [[TMP9:%.*]] = bitcast [1 x i32]* [[TMP1]] to i8*
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; CHECK-NEXT: [[TMP10:%.*]] = call i32 @n(i8* nonnull [[TMP9]], i8* [[TMP2]])
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; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i32 [[TMP10]], 0
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; CHECK-NEXT: br i1 [[TMP11]], label [[THREAD_PRE_SPLIT:%.*]], label [[DOT_CRIT_EDGE:%.*]]
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; CHECK: thread-pre-split:
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; CHECK-NEXT: [[DOTPR:%.*]] = load i32, i32* @i, align 4
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; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i32 [[DOTPR]], 0
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; CHECK-NEXT: br i1 [[TMP12]], label [[M_EXIT]], label [[DOTLR_PH:%.*]]
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; CHECK: .lr.ph:
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; CHECK-NEXT: br label [[TMP13:%.*]]
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; CHECK: [[DOT11:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP14:%.*]], [[J_EXIT_I:%.*]] ]
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; CHECK-NEXT: callbr void asm sideeffect "", "X,~{dirflag},~{fpsr},~{flags}"(i8* blockaddress(@o, [[M_EXIT]])) #1
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; CHECK-NEXT: to label [[J_EXIT_I]] [label %m.exit]
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; CHECK: j.exit.i:
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; CHECK-NEXT: [[TMP14]] = tail call i32 asm "", "={ax},~{dirflag},~{fpsr},~{flags}"() #2
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; CHECK-NEXT: br i1 [[TMP12]], label [[DOTM_EXIT_CRIT_EDGE:%.*]], label [[TMP13]]
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; CHECK: .m.exit_crit_edge:
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; CHECK-NEXT: [[SPLIT:%.*]] = phi i32 [ [[TMP14]], [[J_EXIT_I]] ]
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; CHECK-NEXT: br label [[M_EXIT]]
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; CHECK: m.exit:
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; CHECK-NEXT: [[DOT1_LCSSA:%.*]] = phi i32 [ [[DOT11]], [[TMP13]] ], [ [[SPLIT]], [[DOTM_EXIT_CRIT_EDGE]] ], [ undef, [[THREAD_PRE_SPLIT]] ]
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; CHECK-NEXT: store i32 [[DOT1_LCSSA]], i32* @h, align 4
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; CHECK-NEXT: [[TMP15]] = load i32, i32* @f, align 4
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; CHECK-NEXT: [[TMP16:%.*]] = icmp eq i32 [[TMP15]], 0
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; CHECK-NEXT: br i1 [[TMP16]], label [[DOT_CRIT_EDGE3:%.*]], label [[TMP5]]
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; CHECK: ._crit_edge:
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; CHECK-NEXT: br label [[TMP17]]
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; CHECK: ._crit_edge3:
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; CHECK-NEXT: br label [[TMP17]]
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; CHECK: ret i32 undef
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;
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%1 = alloca [1 x i32], align 4
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%2 = load i8*, i8** bitcast (i64* @d to i8**), align 8
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br label %3
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; <label>:3: ; preds = %m.exit, %0
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%4 = load i32, i32* @f, align 4
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%5 = icmp eq i32 %4, 0
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br i1 %5, label %16, label %6
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; <label>:6: ; preds = %3
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%7 = icmp ult i32 %4, 4
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%8 = zext i1 %7 to i32
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store i32 %8, i32* @g, align 4
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%9 = bitcast [1 x i32]* %1 to i8*
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%10 = call i32 @n(i8* nonnull %9, i8* %2)
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%11 = icmp eq i32 %10, 0
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br i1 %11, label %thread-pre-split, label %16
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thread-pre-split: ; preds = %6
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%.pr = load i32, i32* @i, align 4
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br label %12
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; <label>:12: ; preds = %j.exit.i, %thread-pre-split
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%.1 = phi i32 [ %15, %j.exit.i ], [ undef, %thread-pre-split ]
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%13 = icmp eq i32 %.pr, 0
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br i1 %13, label %m.exit, label %14
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; <label>:14: ; preds = %12
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callbr void asm sideeffect "", "X,~{dirflag},~{fpsr},~{flags}"(i8* blockaddress(@o, %m.exit)) #1
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to label %j.exit.i [label %m.exit]
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j.exit.i: ; preds = %14
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%15 = tail call i32 asm "", "={ax},~{dirflag},~{fpsr},~{flags}"() #2
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br label %12
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m.exit: ; preds = %14, %12
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%.1.lcssa = phi i32 [ %.1, %14 ], [ %.1, %12 ]
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store i32 %.1.lcssa, i32* @h, align 4
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br label %3
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; <label>:16: ; preds = %6, %3
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ret i32 undef
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}
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declare i32 @n(i8*, i8*) #0
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attributes #0 = { "use-soft-float"="false" }
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attributes #1 = { nounwind }
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attributes #2 = { nounwind readnone }
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