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https://github.com/c64scene-ar/llvm-6502.git
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4a1f2e3399
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12834 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
501 B
LLVM
28 lines
501 B
LLVM
; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | not grep sub
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%S = type { int, sbyte }
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sbyte %test(sbyte** %P) {
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%A = load sbyte** %P
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%B = load sbyte* %A
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%X = load sbyte** %P
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%Y = load sbyte* %X
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%R = sub sbyte %B, %Y
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ret sbyte %R
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}
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sbyte %test(%S ** %P) {
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%A = load %S** %P
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%B = getelementptr %S* %A, int 0, ubyte 1
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%C = load sbyte* %B
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%X = load %S** %P
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%Y = getelementptr %S* %X, int 0, ubyte 1
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%Z = load sbyte* %Y
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%R = sub sbyte %C, %Z
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ret sbyte %R
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}
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