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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
64 lines
1.5 KiB
LLVM
64 lines
1.5 KiB
LLVM
; RUN: opt < %s -disable-output -analyze -lda | FileCheck %s
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@x = common global [256 x i32] zeroinitializer, align 4
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;; x[5] = x[6]
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define void @f1(...) nounwind {
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entry:
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br label %for.body
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for.body:
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%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
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%x = load i32* getelementptr ([256 x i32]* @x, i32 0, i64 6)
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store i32 %x, i32* getelementptr ([256 x i32]* @x, i32 0, i64 5)
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; CHECK: 0,1: ind
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%i.next = add i64 %i, 1
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%exitcond = icmp eq i64 %i.next, 256
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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;; x[c] = x[c+1] // with c being a loop-invariant constant
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define void @f2(i64 %c0) nounwind {
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entry:
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%c1 = add i64 %c0, 1
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%x.ld.addr = getelementptr [256 x i32]* @x, i64 0, i64 %c0
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%x.st.addr = getelementptr [256 x i32]* @x, i64 0, i64 %c1
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br label %for.body
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for.body:
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%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
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%x = load i32* %x.ld.addr
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store i32 %x, i32* %x.st.addr
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; CHECK: 0,1: ind
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%i.next = add i64 %i, 1
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%exitcond = icmp eq i64 %i.next, 256
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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;; x[6] = x[6]
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define void @f3(...) nounwind {
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entry:
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br label %for.body
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for.body:
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%i = phi i64 [ 0, %entry ], [ %i.next, %for.body ]
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%x = load i32* getelementptr ([256 x i32]* @x, i32 0, i64 6)
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store i32 %x, i32* getelementptr ([256 x i32]* @x, i32 0, i64 6)
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; CHECK: 0,1: dep
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%i.next = add i64 %i, 1
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%exitcond = icmp eq i64 %i.next, 256
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br i1 %exitcond, label %for.end, label %for.body
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for.end:
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ret void
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}
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