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a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
36 lines
898 B
LLVM
36 lines
898 B
LLVM
; RUN: opt < %s -simple-loop-unswitch -S | FileCheck %s
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; RUN: opt < %s -simple-loop-unswitch -enable-mssa-loop-dependency=true -verify-memoryssa -S | FileCheck %s
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; This test checks if unswitched condition preserve make.implicit metadata.
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define i32 @test(i1 %cond) {
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; CHECK-LABEL: @test(
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entry:
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br label %loop_begin
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br i1 %{{.*}}, label %entry.split, label %loop_exit, !make.implicit !0
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;
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; CHECK: entry.split:
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; CHECK-NEXT: br label %loop_begin
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loop_begin:
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br i1 %cond, label %continue, label %loop_exit, !make.implicit !0
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; CHECK: loop_begin:
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; CHECK-NEXT: br label %continue
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continue:
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call void @some_func()
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br label %loop_begin
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; CHECK: continue:
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; CHECK-NEXT: call
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; CHECK-NEXT: br label %loop_begin
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loop_exit:
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ret i32 0
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; CHECK: loop_exit:
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; CHECK-NEXT: ret
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}
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declare void @some_func()
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!0 = !{}
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