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https://github.com/c64scene-ar/llvm-6502.git
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a6b1f53451
* Changes in PHI node structure * We now run DCE after inlining because it helps clean up LOTS of inlining gunk. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26 91177308-0d34-0410-b5e6-96231b3b80d8
54 lines
1.2 KiB
LLVM
54 lines
1.2 KiB
LLVM
implementation
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void "test function"(int %i0, int %j0)
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%x = int 1
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begin
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Startup: ; Basic block #0
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%i1 = add int %i0, 1
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%j1 = add int %j0, 1
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%x = setle int %i1, %j1
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br bool %x, label %Increment, label %Decrement
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Merge: ; Basic block #3
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%i4 = phi int [%i2, %Increment], [%i3,%Decrement] ; Forward ref vars...
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%j2 = add int %j1, %i4
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ret void
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Increment: ; Basic block #1
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%i2 = add int %i1, 1
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br label %Merge
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Decrement: ; Basic block #2
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%i3 = sub int %i1, %x
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br label %Merge
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end
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; Test "stripped" format where nothing is symbolic... this is how the bytecode
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; format looks anyways (except for negative vs positive offsets)...
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;
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void "void"(int, int) ; Def %0, %1
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int 0 ; Def 2
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int -4 ; Def 3
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begin
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add int %0, %1 ; Def 4
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sub int %4, %3 ; Def 5
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setle int %5, %2 ; Def 0 - bool plane
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br bool %0, label %1, label %0
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add int %0, %1 ; Def 6
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sub int %4, %3 ; Def 7
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setle int %7, %2 ; Def 1 - bool plane
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ret void
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end
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; This function always returns zero
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int "zarro"()
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uint 4000000000 ; Def 0 - uint plane
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int 0 ; Def 0 - int plane
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begin
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Startup:
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ret int %0
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end
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