[llvm-commits] [llvm] r85980 - /llvm/trunk/lib/Target/ARM/ARMInstrThumb.td

[Bob Wilson]

I think CodeGen/Thumb2/machine-licm.ll needs to be updated, too.

On Nov 3, 2009, at 4:00 PM, Evan Cheng wrote:

> Author: evancheng
> Date: Tue Nov  3 18:00:39 2009
> New Revision: 85980
>
> URL: http://llvm.org/viewvc/llvm-project?rev=85980&view=rev
> Log:
> Use ldr.n to workaround a darwin assembler bug.
>
> Modified:
>    llvm/trunk/lib/Target/ARM/ARMInstrThumb.td
>
> Modified: llvm/trunk/lib/Target/ARM/ARMInstrThumb.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrThumb.td?rev=85980&r1=85979&r2=85980&view=diff
>
> =
> =
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> ======================================================================
> --- llvm/trunk/lib/Target/ARM/ARMInstrThumb.td (original)
> +++ llvm/trunk/lib/Target/ARM/ARMInstrThumb.td Tue Nov  3 18:00:39  
> 2009
> @@ -326,9 +326,10 @@
>                     "ldr", "\t$dst, $addr", []>;
>
> // Load tconstpool
> +// FIXME: Use ldr.n to work around a Darwin assembler bug.
> let canFoldAsLoad = 1 in
> def tLDRpci : T1pIs<(outs tGPR:$dst), (ins i32imm:$addr), IIC_iLoadi,
> -                  "ldr", "\t$dst, $addr",
> +                  "ldr.n", "\t$dst, $addr",
>                   [(set tGPR:$dst, (load (ARMWrapper tconstpool: 
> $addr)))]>;
>
> // Special LDR for loads from non-pc-relative constpools.
>
>
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