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https://github.com/c64scene-ar/llvm-6502.git
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f2f6ce65b7
input filename so that opt doesn't print the input filename in the output so that grep lines in the tests don't unintentionally match strings in the input filename. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81537 91177308-0d34-0410-b5e6-96231b3b80d8
39 lines
1.1 KiB
LLVM
39 lines
1.1 KiB
LLVM
; RUN: opt < %s -indvars -S > %t
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; RUN: grep {%exitcond = icmp eq i64 %indvar.next, %n} %t
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; RUN: grep {getelementptr i8\\* %A, i64 %indvar} %t
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; RUN: grep getelementptr %t | count 1
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; RUN: grep add %t | count 1
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; RUN: not grep scevgep %t
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; RUN: not grep ptrtoint %t
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; Indvars should be able to expand the pointer-arithmetic
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; IV into an integer IV indexing into a simple getelementptr.
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
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define void @foo(i8* %A, i64 %n) nounwind {
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entry:
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%0 = icmp eq i64 %n, 0 ; <i1> [#uses=1]
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br i1 %0, label %return, label %bb.nph
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bb.nph: ; preds = %entry
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%1 = getelementptr i8* %A, i64 %n ; <i8*> [#uses=1]
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br label %bb
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bb: ; preds = %bb1, %bb.nph
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%q.01 = phi i8* [ %2, %bb1 ], [ %A, %bb.nph ] ; <i8*> [#uses=2]
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store i8 0, i8* %q.01, align 1
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%2 = getelementptr i8* %q.01, i64 1 ; <i8*> [#uses=2]
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br label %bb1
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bb1: ; preds = %bb
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%3 = icmp eq i8* %1, %2 ; <i1> [#uses=1]
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br i1 %3, label %bb1.return_crit_edge, label %bb
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bb1.return_crit_edge: ; preds = %bb1
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br label %return
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return: ; preds = %bb1.return_crit_edge, %entry
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ret void
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}
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