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https://github.com/c64scene-ar/llvm-6502.git
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e209d9a3e6
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60394 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
666 B
LLVM
28 lines
666 B
LLVM
; RUN: llvm-as < %s | opt -gvn -enable-pre | llvm-dis | grep {.pre}
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@H = common global i32 0 ; <i32*> [#uses=2]
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@G = common global i32 0 ; <i32*> [#uses=1]
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define i32 @test() nounwind {
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entry:
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%0 = load i32* @H, align 4 ; <i32> [#uses=2]
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%1 = call i32 (...)* @foo() nounwind ; <i32> [#uses=1]
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%2 = icmp ne i32 %1, 0 ; <i1> [#uses=1]
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br i1 %2, label %bb, label %bb1
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bb: ; preds = %entry
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%3 = add i32 %0, 42 ; <i32> [#uses=1]
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store i32 %3, i32* @G, align 4
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br label %bb1
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bb1: ; preds = %bb, %entry
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%4 = add i32 %0, 42 ; <i32> [#uses=1]
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store i32 %4, i32* @H, align 4
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br label %return
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return: ; preds = %bb1
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ret i32 0
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}
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declare i32 @foo(...)
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