[llvm-commits] CVS: llvm/test/Regression/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll

[Chris Lattner]

On Sun, 10 Dec 2006, Reid Spencer wrote:

>> testcase for a regression introduced by the recent cast patch
> What was failing?

oggenc with my recent SROA patch, which introduces more int<->fp bitcasts.

-Chris

>> ---
>> Diffs of the changes:  (+38 -0)
>>
>>  2006-12-10-BitCast.ll |   38 ++++++++++++++++++++++++++++++++++++++
>>  1 files changed, 38 insertions(+)
>>
>>
>> Index: llvm/test/Regression/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll
>> diff -c /dev/null llvm/test/Regression/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll:1.1
>> *** /dev/null	Sun Dec 10 18:12:17 2006
>> --- llvm/test/Regression/Transforms/IndVarsSimplify/2006-12-10-BitCast.ll	Sun Dec 10 18:12:07 2006
>> ***************
>> *** 0 ****
>> --- 1,38 ----
>> + ; RUN: llvm-as < %s | opt -indvars -disable-output
>> +
>> + target datalayout = "e-p:32:32"
>> + target endian = little
>> + target pointersize = 32
>> + target triple = "i686-apple-darwin8"
>> + 	%struct.vorbis_dsp_state = type { int, %struct.vorbis_info*, float**, float**, int, int, int, int, int, int, int, int, int, long, long, long, long, long, long, sbyte* }
>> + 	%struct.vorbis_info = type { int, int, int, int, int, int, int, sbyte* }
>> +
>> + implementation   ; Functions:
>> +
>> + void %_ve_envelope_search() {
>> + entry:
>> + 	br bool false, label %cond_true27, label %bb137
>> +
>> + cond_true27:		; preds = %entry
>> + 	br bool false, label %cond_true52, label %bb80
>> +
>> + cond_true52:		; preds = %cond_true27
>> + 	%tmp152.i = bitcast float 0.000000e+00 to uint		; <uint> [#uses=1]
>> + 	br label %cond_next182.i
>> +
>> + cond_next182.i:		; preds = %cond_next182.i, %cond_true52
>> + 	%decay.i.0 = phi uint [ %tmp195.i, %cond_next182.i ], [ %tmp152.i, %cond_true52 ]		; <uint> [#uses=1]
>> + 	%tmp194.i53 = bitcast uint %decay.i.0 to float		; <float> [#uses=1]
>> + 	%tmp195.i = sub float %tmp194.i53, 8.000000e+00		; <float> [#uses=1]
>> + 	%tmp195.i = bitcast float %tmp195.i to uint		; <uint> [#uses=1]
>> + 	br bool false, label %cond_next182.i, label %bb418.i.preheader
>> +
>> + bb418.i.preheader:		; preds = %cond_next182.i
>> + 	ret void
>> +
>> + bb80:		; preds = %cond_true27
>> + 	ret void
>> +
>> + bb137:		; preds = %entry
>> + 	ret void
>> + }
>>
>>
>>
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>

-Chris

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