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https://github.com/c64scene-ar/llvm-6502.git
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415f869cf3
Thanks to Preston Briggs for catching this! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167045 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.7 KiB
LLVM
43 lines
1.7 KiB
LLVM
; RUN: opt -S -basicaa -loop-idiom < %s | FileCheck %s
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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-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.8.0"
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declare i64 @foo() nounwind
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; Nested loops
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define void @test1(i8* nocapture %A, i64 %n) nounwind {
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entry:
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%call8 = tail call i64 @foo() nounwind
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%tobool9 = icmp eq i64 %call8, 0
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br i1 %tobool9, label %while.end, label %for.cond.preheader.lr.ph
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for.cond.preheader.lr.ph: ; preds = %entry
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%cmp6 = icmp eq i64 %n, 0
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br label %for.cond.preheader
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while.cond.loopexit: ; preds = %for.body, %for.cond.preheader
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%call = tail call i64 @foo() nounwind
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%tobool = icmp eq i64 %call, 0
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br i1 %tobool, label %while.end, label %for.cond.preheader
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for.cond.preheader: ; preds = %for.cond.preheader.lr.ph, %while.cond.loopexit
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br i1 %cmp6, label %while.cond.loopexit, label %for.body
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for.body: ; preds = %for.cond.preheader, %for.body
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%i.07 = phi i64 [ %inc, %for.body ], [ 0, %for.cond.preheader ]
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%add = add i64 %i.07, 10
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%arrayidx = getelementptr inbounds i8* %A, i64 %add
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%0 = load i8* %arrayidx, align 1
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%arrayidx1 = getelementptr inbounds i8* %A, i64 %i.07
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store i8 %0, i8* %arrayidx1, align 1
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%inc = add i64 %i.07, 1
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%exitcond = icmp eq i64 %inc, %n
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br i1 %exitcond, label %while.cond.loopexit, label %for.body
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while.end: ; preds = %while.cond.loopexit, %entry
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ret void
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; CHECK: @test1
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; CHECK: call void @llvm.memmove.p0i8.p0i8.i64(
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}
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