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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
118 lines
4.0 KiB
LLVM
118 lines
4.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -indvars -verify -loop-rotate -loop-idiom < %s | FileCheck %s
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; RUN: opt -S -indvars -verify -loop-rotate -loop-idiom -enable-mssa-loop-dependency=true -verify-memoryssa < %s | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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; Verify that we invalidate SCEV properly.
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define void @test_01() {
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; CHECK-LABEL: @test_01(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[LBL1:%.*]]
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; CHECK: lbl1:
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: br i1 false, label [[FOR_BODY3_LR_PH:%.*]], label [[FOR_COND_FOR_END5_CRIT_EDGE:%.*]]
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; CHECK: for.body3.lr.ph:
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; CHECK-NEXT: br label [[FOR_BODY3:%.*]]
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; CHECK: for.cond1:
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; CHECK-NEXT: br i1 false, label [[FOR_BODY3]], label [[FOR_COND1_FOR_END5_CRIT_EDGE:%.*]]
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; CHECK: for.body3:
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; CHECK-NEXT: br i1 false, label [[IF_THEN:%.*]], label [[FOR_COND1:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: br label [[LBL1]]
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; CHECK: for.cond.for.end5_crit_edge:
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; CHECK-NEXT: br label [[FOR_END5:%.*]]
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; CHECK: for.cond1.for.end5_crit_edge:
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; CHECK-NEXT: br label [[FOR_END5]]
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; CHECK: for.end5:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %lbl1
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lbl1: ; preds = %if.then, %entry
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br label %for.cond
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for.cond: ; preds = %lbl1
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br label %for.cond1
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for.cond1: ; preds = %if.end, %for.cond
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br i1 false, label %for.body3, label %for.end5
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for.body3: ; preds = %for.cond1
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br i1 false, label %if.then, label %if.end
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if.then: ; preds = %for.body3
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br label %lbl1
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if.end: ; preds = %for.body3
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br label %for.cond1
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for.end5: ; preds = %for.cond1
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ret void
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}
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define void @test_02() {
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; CHECK-LABEL: @test_02(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[LBL1:%.*]]
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; CHECK: lbl1:
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: br i1 false, label [[IF_THEN:%.*]], label [[IF_END7:%.*]]
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; CHECK: if.then:
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; CHECK-NEXT: br i1 false, label [[FOR_BODY_LR_PH:%.*]], label [[IF_THEN_FOR_END6_CRIT_EDGE:%.*]]
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; CHECK: for.body.lr.ph:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: br i1 false, label [[IF_THEN3:%.*]], label [[IF_END:%.*]]
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; CHECK: if.then3:
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; CHECK-NEXT: br label [[LBL1]]
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; CHECK: if.end:
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; CHECK-NEXT: br label [[FOR_COND4:%.*]]
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; CHECK: for.cond4:
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; CHECK-NEXT: br i1 false, label [[FOR_BODY]], label [[FOR_COND1_FOR_END6_CRIT_EDGE:%.*]]
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; CHECK: if.then.for.end6_crit_edge:
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; CHECK-NEXT: br label [[FOR_END6:%.*]]
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; CHECK: for.cond1.for.end6_crit_edge:
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; CHECK-NEXT: br label [[FOR_END6]]
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; CHECK: for.end6:
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; CHECK-NEXT: ret void
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; CHECK: if.end7:
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; CHECK-NEXT: unreachable
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;
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entry:
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br label %lbl1
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lbl1: ; preds = %if.then3, %entry
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br label %for.cond
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for.cond: ; preds = %lbl1
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br i1 false, label %if.then, label %if.end7
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if.then: ; preds = %for.cond
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br label %for.cond1
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for.cond1: ; preds = %for.cond4, %if.then
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br i1 undef, label %for.body, label %for.end6
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for.body: ; preds = %for.cond1
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br i1 false, label %if.then3, label %if.end
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if.then3: ; preds = %for.body
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br label %lbl1
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if.end: ; preds = %for.body
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br label %for.cond4
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for.cond4: ; preds = %if.end
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br label %for.cond1
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for.end6: ; preds = %for.cond1
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ret void
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if.end7: ; preds = %for.cond
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unreachable
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}
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