Displaying 3 results from an estimated 3 matches for "phi2copi".
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phi2copy
2008 Aug 12
0
[LLVMdev] Eliminating gotos
On Aug 12, 2008, at 2:39 AM, Benedict Gaster wrote:
> [bg] Consider the LLVM code:
>
> define i32 @foo(i32 %x, i32 %y) {
> entry:
> %tobool = icmp eq i32 %x, 0 ; <i1> [#uses=1]
> br i1 %tobool, label %ifelse, label %ifthen
>
> ifthen: ; preds = %entry
> %add = add i32 %x, 10 ; <i32> [#uses=1]
> ret i32 %add
>
>
2008 Aug 12
4
[LLVMdev] Eliminating gotos
Hi,
Comments inline.
Ben
On 12/08/2008 03:14, "Owen Anderson" <resistor at mac.com> wrote:
>> We would like to develop a code generator using LLVM for a target language
>> that does not support conditional branches and in fact only supports
>> structured control flow, eg. If and while.
What's the difference between an "if" and a conditional
2008 Aug 12
3
[LLVMdev] Eliminating gotos
Hi Owen,
On 12/08/2008 16:52, "Owen Anderson" <resistor at mac.com> wrote:
>
> SNIP
>
>
> I'm still not seeing how these two are any different. You just replace the
> text of "if" with "br", and add the explicit target labels. I should also
> point out that, in LLVM IR, the order the blocks are laid out in is not
> meaningful