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https://github.com/c64scene-ar/llvm-6502.git
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36a0947820
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81290 91177308-0d34-0410-b5e6-96231b3b80d8
31 lines
1.2 KiB
LLVM
31 lines
1.2 KiB
LLVM
; RUN: llc < %s -mtriple=i386-apple-darwin -relocation-model=dynamic-no-pic | \
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; RUN: grep {A+} | count 2
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;
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; Make sure the common loop invariant A is not hoisted up to preheader,
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; since it can be subsumed it into the addressing modes.
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@A = global [16 x [16 x i32]] zeroinitializer, align 32 ; <[16 x [16 x i32]]*> [#uses=2]
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define void @test(i32 %row, i32 %N.in) nounwind {
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entry:
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%N = bitcast i32 %N.in to i32 ; <i32> [#uses=1]
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%tmp5 = icmp sgt i32 %N.in, 0 ; <i1> [#uses=1]
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br i1 %tmp5, label %cond_true, label %return
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cond_true: ; preds = %cond_true, %entry
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%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %cond_true ] ; <i32> [#uses=2]
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%i.0.0 = bitcast i32 %indvar to i32 ; <i32> [#uses=2]
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%tmp2 = add i32 %i.0.0, 1 ; <i32> [#uses=1]
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%tmp = getelementptr [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp2 ; <i32*> [#uses=1]
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store i32 4, i32* %tmp
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%tmp5.upgrd.1 = add i32 %i.0.0, 2 ; <i32> [#uses=1]
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%tmp7 = getelementptr [16 x [16 x i32]]* @A, i32 0, i32 %row, i32 %tmp5.upgrd.1 ; <i32*> [#uses=1]
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store i32 5, i32* %tmp7
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%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2]
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%exitcond = icmp eq i32 %indvar.next, %N ; <i1> [#uses=1]
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br i1 %exitcond, label %return, label %cond_true
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return: ; preds = %cond_true, %entry
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ret void
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}
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