mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-17 18:31:04 +00:00
39f4e8d9cc
This update was done with the following bash script:
find test/Transforms -name "*.ll" | \
while read NAME; do
echo "$NAME"
if ! grep -q "^; *RUN: *llc" $NAME; then
TEMP=`mktemp -t temp`
cp $NAME $TEMP
sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \
while read FUNC; do
sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP
done
mv $TEMP $NAME
fi
done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186268 91177308-0d34-0410-b5e6-96231b3b80d8
112 lines
4.6 KiB
LLVM
112 lines
4.6 KiB
LLVM
; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-unknown-linux-gnu"
|
|
|
|
; A tricky loop:
|
|
;
|
|
; void loop(int *a, int *b) {
|
|
; for (int i = 0; i < 512; ++i) {
|
|
; a[a[i]] = b[i];
|
|
; a[i] = b[i+1];
|
|
; }
|
|
;}
|
|
|
|
;CHECK-LABEL: @loop(
|
|
;CHECK-NOT: <4 x i32>
|
|
define void @loop(i32* nocapture %a, i32* nocapture %b) nounwind uwtable {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%arrayidx = getelementptr inbounds i32* %b, i64 %indvars.iv
|
|
%0 = load i32* %arrayidx, align 4
|
|
%arrayidx2 = getelementptr inbounds i32* %a, i64 %indvars.iv
|
|
%1 = load i32* %arrayidx2, align 4
|
|
%idxprom3 = sext i32 %1 to i64
|
|
%arrayidx4 = getelementptr inbounds i32* %a, i64 %idxprom3
|
|
store i32 %0, i32* %arrayidx4, align 4
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
%arrayidx6 = getelementptr inbounds i32* %b, i64 %indvars.iv.next
|
|
%2 = load i32* %arrayidx6, align 4
|
|
store i32 %2, i32* %arrayidx2, align 4
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
%exitcond = icmp eq i32 %lftr.wideiv, 512
|
|
br i1 %exitcond, label %for.end, label %for.body
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|
|
|
|
; The same loop with parallel loop metadata added to the loop branch
|
|
; and the memory instructions.
|
|
|
|
;CHECK-LABEL: @parallel_loop(
|
|
;CHECK: <4 x i32>
|
|
define void @parallel_loop(i32* nocapture %a, i32* nocapture %b) nounwind uwtable {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%arrayidx = getelementptr inbounds i32* %b, i64 %indvars.iv
|
|
%0 = load i32* %arrayidx, align 4, !llvm.mem.parallel_loop_access !3
|
|
%arrayidx2 = getelementptr inbounds i32* %a, i64 %indvars.iv
|
|
%1 = load i32* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !3
|
|
%idxprom3 = sext i32 %1 to i64
|
|
%arrayidx4 = getelementptr inbounds i32* %a, i64 %idxprom3
|
|
; This store might have originated from inlining a function with a parallel
|
|
; loop. Refers to a list with the "original loop reference" (!4) also included.
|
|
store i32 %0, i32* %arrayidx4, align 4, !llvm.mem.parallel_loop_access !5
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
%arrayidx6 = getelementptr inbounds i32* %b, i64 %indvars.iv.next
|
|
%2 = load i32* %arrayidx6, align 4, !llvm.mem.parallel_loop_access !3
|
|
store i32 %2, i32* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !3
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
%exitcond = icmp eq i32 %lftr.wideiv, 512
|
|
br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !3
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|
|
|
|
; The same loop with an illegal parallel loop metadata: the memory
|
|
; accesses refer to a different loop's identifier.
|
|
|
|
;CHECK-LABEL: @mixed_metadata(
|
|
;CHECK-NOT: <4 x i32>
|
|
|
|
define void @mixed_metadata(i32* nocapture %a, i32* nocapture %b) nounwind uwtable {
|
|
entry:
|
|
br label %for.body
|
|
|
|
for.body: ; preds = %for.body, %entry
|
|
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
|
|
%arrayidx = getelementptr inbounds i32* %b, i64 %indvars.iv
|
|
%0 = load i32* %arrayidx, align 4, !llvm.mem.parallel_loop_access !6
|
|
%arrayidx2 = getelementptr inbounds i32* %a, i64 %indvars.iv
|
|
%1 = load i32* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !6
|
|
%idxprom3 = sext i32 %1 to i64
|
|
%arrayidx4 = getelementptr inbounds i32* %a, i64 %idxprom3
|
|
; This refers to the loop marked with !7 which we are not in at the moment.
|
|
; It should prevent detecting as a parallel loop.
|
|
store i32 %0, i32* %arrayidx4, align 4, !llvm.mem.parallel_loop_access !7
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
%arrayidx6 = getelementptr inbounds i32* %b, i64 %indvars.iv.next
|
|
%2 = load i32* %arrayidx6, align 4, !llvm.mem.parallel_loop_access !6
|
|
store i32 %2, i32* %arrayidx2, align 4, !llvm.mem.parallel_loop_access !6
|
|
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
|
|
%exitcond = icmp eq i32 %lftr.wideiv, 512
|
|
br i1 %exitcond, label %for.end, label %for.body, !llvm.loop !6
|
|
|
|
for.end: ; preds = %for.body
|
|
ret void
|
|
}
|
|
|
|
!3 = metadata !{metadata !3}
|
|
!4 = metadata !{metadata !4}
|
|
!5 = metadata !{metadata !3, metadata !4}
|
|
!6 = metadata !{metadata !6}
|
|
!7 = metadata !{metadata !7}
|