Displaying 8 results from an estimated 8 matches for "body5".
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2017 Jan 20
3
[InstCombine] rL292492 affected LoopVectorizer and caused 17.30%/11.37% perf regressions on Cortex-A53/Cortex-A15 LNT machines
...7Carm%7Cthumb%7Cgreen) are caused by changes [rL292492] in InstCombine:
https://reviews.llvm.org/D28406 "[InstCombine] icmp sgt (shl nsw X, C1), C0 --> icmp sgt X, C0 >> C1"
The Loop Vectorizer generates code with more instructions:
==== Loop Vectorizer from rL292492 ====
for.body5: ; preds = %for.inc16.for.body5_crit_edge, %for.cond.preheader
%indvar = phi i64 [ %indvar.next, %for.inc16.for.body5_crit_edge ], [ 0, %for.cond.preheader ]
%1 = phi i8 [ %.pre, %for.inc16.for.body5_crit_edge ], [ 1, %for.cond.preheader ]
%count.122 = p...
2017 Jan 22
2
[InstCombine] rL292492 affected LoopVectorizer and caused 17.30%/11.37% perf regressions on Cortex-A53/Cortex-A15 LNT machines
...7Carm%7Cthumb%7Cgreen) are caused by changes [rL292492] in InstCombine:
https://reviews.llvm.org/D28406 "[InstCombine] icmp sgt (shl nsw X, C1), C0 --> icmp sgt X, C0 >> C1"
The Loop Vectorizer generates code with more instructions:
==== Loop Vectorizer from rL292492 ====
for.body5: ; preds = %for.inc16.for.body5_crit_edge, %for.cond.preheader
%indvar = phi i64 [ %indvar.next, %for.inc16.for.body5_crit_edge ], [ 0, %for.cond.preheader ]
%1 = phi i8 [ %.pre, %for.inc16.for.body5_crit_edge ], [ 1, %for.cond.preheader ]
%count.122 = p...
2017 Jan 22
2
[InstCombine] rL292492 affected LoopVectorizer and caused 17.30%/11.37% perf regressions on Cortex-A53/Cortex-A15 LNT machines
...7Carm%7Cthumb%7Cgreen) are caused by changes [rL292492] in InstCombine:
https://reviews.llvm.org/D28406 "[InstCombine] icmp sgt (shl nsw X, C1), C0 --> icmp sgt X, C0 >> C1"
The Loop Vectorizer generates code with more instructions:
==== Loop Vectorizer from rL292492 ====
for.body5: ; preds = %for.inc16.for.body5_crit_edge, %for.cond.preheader
%indvar = phi i64 [ %indvar.next, %for.inc16.for.body5_crit_edge ], [ 0, %for.cond.preheader ]
%1 = phi i8 [ %.pre, %for.inc16.for.body5_crit_edge ], [ 1, %for.cond.preheader ]
%count.122 = p...
2017 Jan 23
2
[InstCombine] rL292492 affected LoopVectorizer and caused 17.30%/11.37% perf regressions on Cortex-A53/Cortex-A15 LNT machines
...7Carm%7Cthumb%7Cgreen) are caused by changes [rL292492] in InstCombine:
https://reviews.llvm.org/D28406 "[InstCombine] icmp sgt (shl nsw X, C1), C0 --> icmp sgt X, C0 >> C1"
The Loop Vectorizer generates code with more instructions:
==== Loop Vectorizer from rL292492 ====
for.body5: ; preds = %for.inc16.for.body5_crit_edge, %for.cond.preheader
%indvar = phi i64 [ %indvar.next, %for.inc16.for.body5_crit_edge ], [ 0, %for.cond.preheader ]
%1 = phi i8 [ %.pre, %for.inc16.for.body5_crit_edge ], [ 1, %for.cond.preheader ]
%count.122 = p...
2017 Jan 24
2
[InstCombine] rL292492 affected LoopVectorizer and caused 17.30%/11.37% perf regressions on Cortex-A53/Cortex-A15 LNT machines
...;
> https://reviews.llvm.org/D28406 <https://reviews.llvm.org/D28406> "[InstCombine] icmp sgt (shl nsw X, C1), C0 --> icmp sgt X, C0 >> C1"
>
> The Loop Vectorizer generates code with more instructions:
>
> ==== Loop Vectorizer from rL292492 ====
> for.body5: ; preds = %for.inc16.for.body5_crit_edge, %for.cond.preheader
> %indvar = phi i64 [ %indvar.next, %for.inc16.for.body5_crit_edge ], [ 0, %for.cond.preheader ]
> %1 = phi i8 [ %.pre, %for.inc16.for.body5_crit_edge ], [ 1, %for.cond.preheader ]
>...
2017 Jan 24
3
[InstCombine] rL292492 affected LoopVectorizer and caused 17.30%/11.37% perf regressions on Cortex-A53/Cortex-A15 LNT machines
...ews.llvm.org/D28406 <https://reviews.llvm.org/D28406> "[InstCombine] icmp sgt (shl nsw X, C1), C0 --> icmp sgt X, C0 >> C1"
>>
>> The Loop Vectorizer generates code with more instructions:
>>
>> ==== Loop Vectorizer from rL292492 ====
>> for.body5: ; preds = %for.inc16.for.body5_crit_edge, %for.cond.preheader
>> %indvar = phi i64 [ %indvar.next, %for.inc16.for.body5_crit_edge ], [ 0, %for.cond.preheader ]
>> %1 = phi i8 [ %.pre, %for.inc16.for.body5_crit_edge ], [ 1, %for.cond.preheader...
2017 Jan 24
3
[InstCombine] rL292492 affected LoopVectorizer and caused 17.30%/11.37% perf regressions on Cortex-A53/Cortex-A15 LNT machines
On Tue, Jan 24, 2017 at 1:20 PM, Sanjay Patel via llvm-dev <
llvm-dev at lists.llvm.org> wrote:
>
> I started looking at the log files that you attached, and I'm confused.
> The code that is supposedly causing the perf regression is created by the
> loop vectorizer, right? Except the bad code is not in the "vector.body", so
> is there something peculiar about
2017 Jan 24
3
[InstCombine] rL292492 affected LoopVectorizer and caused 17.30%/11.37% perf regressions on Cortex-A53/Cortex-A15 LNT machines
...7Carm%7Cthumb%7Cgreen) are caused by changes [rL292492] in InstCombine:
https://reviews.llvm.org/D28406 "[InstCombine] icmp sgt (shl nsw X, C1), C0 --> icmp sgt X, C0 >> C1"
The Loop Vectorizer generates code with more instructions:
==== Loop Vectorizer from rL292492 ====
for.body5: ; preds = %for.inc16.for.body5_crit_edge, %for.cond.preheader
%indvar = phi i64 [ %indvar.next, %for.inc16.for.body5_crit_edge ], [ 0, %for.cond.preheader ]
%1 = phi i8 [ %.pre, %for.inc16.for.body5_crit_edge ], [ 1, %for.cond.preheader ]
%count.122 = p...