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https://github.com/c64scene-ar/llvm-6502.git
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b1e1e82c54
of using llvm-as, now that opt supports this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81226 91177308-0d34-0410-b5e6-96231b3b80d8
18 lines
423 B
LLVM
18 lines
423 B
LLVM
; This is a basic sanity check for constant propogation. The add instruction
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; should be eliminated.
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; RUN: opt %s -constprop -die | llvm-dis | not grep phi
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define i32 @test(i1 %B) {
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BB0:
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br i1 %B, label %BB1, label %BB3
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BB1: ; preds = %BB0
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br label %BB3
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BB3: ; preds = %BB1, %BB0
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%Ret = phi i32 [ 1, %BB0 ], [ 1, %BB1 ] ; <i32> [#uses=1]
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ret i32 %Ret
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}
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