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798e242090
All changes were made by the following bash script: find test/CodeGen -name "*.ll" | \ while read NAME; do echo "$NAME" grep -q "^; *RUN: *llc.*debug" $NAME && continue grep -q "^; *RUN:.*llvm-objdump" $NAME && continue grep -q "^; *RUN: *opt.*" $NAME && continue 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/;\([A-Za-z0-9_-]*\)\([A-Za-z0-9_-]*\):\( *\)$FUNC[:]* *\$/;\1\2-LABEL:\3$FUNC:/g" $TEMP done sed -i '' "s/;\(.*\)-LABEL-LABEL:/;\1-LABEL:/" $TEMP sed -i '' "s/;\(.*\)-NEXT-LABEL:/;\1-NEXT:/" $TEMP sed -i '' "s/;\(.*\)-NOT-LABEL:/;\1-NOT:/" $TEMP sed -i '' "s/;\(.*\)-DAG-LABEL:/;\1-DAG:/" $TEMP mv $TEMP $NAME done This script catches a superset of the cases caught by the script associated with commit r186280. It initially found some false positives due to unusual constructs in a minority of tests; all such cases were disambiguated first in commit r186621. llvm-svn: 186624
436 lines
15 KiB
LLVM
436 lines
15 KiB
LLVM
; RUN: llc -march=x86-64 -mcpu=corei7 -mattr=+avx < %s | FileCheck %s
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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"
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target triple = "x86_64-apple-macosx10.8.0"
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%struct.A = type { i8, i8, i8, i8, i8, i8, i8, i8 }
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%struct.B = type { i32, i32, i32, i32, i32, i32, i32, i32 }
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; CHECK: merge_const_store
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; save 1,2,3 ... as one big integer.
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; CHECK: movabsq $578437695752307201
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; CHECK: ret
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define void @merge_const_store(i32 %count, %struct.A* nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph:
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%i.02 = phi i32 [ %10, %.lr.ph ], [ 0, %0 ]
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%.01 = phi %struct.A* [ %11, %.lr.ph ], [ %p, %0 ]
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%2 = getelementptr inbounds %struct.A* %.01, i64 0, i32 0
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store i8 1, i8* %2, align 1
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%3 = getelementptr inbounds %struct.A* %.01, i64 0, i32 1
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store i8 2, i8* %3, align 1
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%4 = getelementptr inbounds %struct.A* %.01, i64 0, i32 2
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store i8 3, i8* %4, align 1
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%5 = getelementptr inbounds %struct.A* %.01, i64 0, i32 3
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store i8 4, i8* %5, align 1
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%6 = getelementptr inbounds %struct.A* %.01, i64 0, i32 4
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store i8 5, i8* %6, align 1
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%7 = getelementptr inbounds %struct.A* %.01, i64 0, i32 5
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store i8 6, i8* %7, align 1
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%8 = getelementptr inbounds %struct.A* %.01, i64 0, i32 6
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store i8 7, i8* %8, align 1
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%9 = getelementptr inbounds %struct.A* %.01, i64 0, i32 7
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store i8 8, i8* %9, align 1
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%10 = add nsw i32 %i.02, 1
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%11 = getelementptr inbounds %struct.A* %.01, i64 1
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%exitcond = icmp eq i32 %10, %count
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge:
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ret void
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}
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; No vectors because we use noimplicitfloat
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; CHECK: merge_const_store_no_vec
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; CHECK-NOT: vmovups
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; CHECK: ret
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define void @merge_const_store_no_vec(i32 %count, %struct.B* nocapture %p) noimplicitfloat{
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph:
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%i.02 = phi i32 [ %10, %.lr.ph ], [ 0, %0 ]
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%.01 = phi %struct.B* [ %11, %.lr.ph ], [ %p, %0 ]
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%2 = getelementptr inbounds %struct.B* %.01, i64 0, i32 0
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store i32 0, i32* %2, align 4
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%3 = getelementptr inbounds %struct.B* %.01, i64 0, i32 1
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store i32 0, i32* %3, align 4
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%4 = getelementptr inbounds %struct.B* %.01, i64 0, i32 2
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store i32 0, i32* %4, align 4
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%5 = getelementptr inbounds %struct.B* %.01, i64 0, i32 3
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store i32 0, i32* %5, align 4
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%6 = getelementptr inbounds %struct.B* %.01, i64 0, i32 4
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store i32 0, i32* %6, align 4
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%7 = getelementptr inbounds %struct.B* %.01, i64 0, i32 5
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store i32 0, i32* %7, align 4
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%8 = getelementptr inbounds %struct.B* %.01, i64 0, i32 6
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store i32 0, i32* %8, align 4
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%9 = getelementptr inbounds %struct.B* %.01, i64 0, i32 7
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store i32 0, i32* %9, align 4
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%10 = add nsw i32 %i.02, 1
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%11 = getelementptr inbounds %struct.B* %.01, i64 1
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%exitcond = icmp eq i32 %10, %count
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge:
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ret void
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}
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; Move the constants using a single vector store.
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; CHECK: merge_const_store_vec
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; CHECK: vmovups
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; CHECK: ret
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define void @merge_const_store_vec(i32 %count, %struct.B* nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph:
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%i.02 = phi i32 [ %10, %.lr.ph ], [ 0, %0 ]
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%.01 = phi %struct.B* [ %11, %.lr.ph ], [ %p, %0 ]
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%2 = getelementptr inbounds %struct.B* %.01, i64 0, i32 0
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store i32 0, i32* %2, align 4
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%3 = getelementptr inbounds %struct.B* %.01, i64 0, i32 1
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store i32 0, i32* %3, align 4
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%4 = getelementptr inbounds %struct.B* %.01, i64 0, i32 2
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store i32 0, i32* %4, align 4
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%5 = getelementptr inbounds %struct.B* %.01, i64 0, i32 3
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store i32 0, i32* %5, align 4
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%6 = getelementptr inbounds %struct.B* %.01, i64 0, i32 4
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store i32 0, i32* %6, align 4
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%7 = getelementptr inbounds %struct.B* %.01, i64 0, i32 5
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store i32 0, i32* %7, align 4
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%8 = getelementptr inbounds %struct.B* %.01, i64 0, i32 6
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store i32 0, i32* %8, align 4
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%9 = getelementptr inbounds %struct.B* %.01, i64 0, i32 7
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store i32 0, i32* %9, align 4
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%10 = add nsw i32 %i.02, 1
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%11 = getelementptr inbounds %struct.B* %.01, i64 1
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%exitcond = icmp eq i32 %10, %count
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge:
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ret void
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}
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; Move the first 4 constants as a single vector. Move the rest as scalars.
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; CHECK: merge_nonconst_store
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; CHECK: movl $67305985
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; CHECK: movb
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; CHECK: movb
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; CHECK: movb
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; CHECK: movb
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; CHECK: ret
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define void @merge_nonconst_store(i32 %count, i8 %zz, %struct.A* nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph:
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%i.02 = phi i32 [ %10, %.lr.ph ], [ 0, %0 ]
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%.01 = phi %struct.A* [ %11, %.lr.ph ], [ %p, %0 ]
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%2 = getelementptr inbounds %struct.A* %.01, i64 0, i32 0
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store i8 1, i8* %2, align 1
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%3 = getelementptr inbounds %struct.A* %.01, i64 0, i32 1
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store i8 2, i8* %3, align 1
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%4 = getelementptr inbounds %struct.A* %.01, i64 0, i32 2
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store i8 3, i8* %4, align 1
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%5 = getelementptr inbounds %struct.A* %.01, i64 0, i32 3
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store i8 4, i8* %5, align 1
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%6 = getelementptr inbounds %struct.A* %.01, i64 0, i32 4
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store i8 %zz, i8* %6, align 1 ; <----------- Not a const;
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%7 = getelementptr inbounds %struct.A* %.01, i64 0, i32 5
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store i8 6, i8* %7, align 1
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%8 = getelementptr inbounds %struct.A* %.01, i64 0, i32 6
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store i8 7, i8* %8, align 1
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%9 = getelementptr inbounds %struct.A* %.01, i64 0, i32 7
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store i8 8, i8* %9, align 1
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%10 = add nsw i32 %i.02, 1
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%11 = getelementptr inbounds %struct.A* %.01, i64 1
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%exitcond = icmp eq i32 %10, %count
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br i1 %exitcond, label %._crit_edge, label %.lr.ph
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._crit_edge:
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ret void
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}
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;CHECK-LABEL: merge_loads_i16:
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; load:
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;CHECK: movw
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; store:
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;CHECK: movw
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;CHECK: ret
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define void @merge_loads_i16(i32 %count, %struct.A* noalias nocapture %q, %struct.A* noalias nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%2 = getelementptr inbounds %struct.A* %q, i64 0, i32 0
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%3 = getelementptr inbounds %struct.A* %q, i64 0, i32 1
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br label %4
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; <label>:4 ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %9, %4 ]
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%.01 = phi %struct.A* [ %p, %.lr.ph ], [ %10, %4 ]
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%5 = load i8* %2, align 1
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%6 = load i8* %3, align 1
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%7 = getelementptr inbounds %struct.A* %.01, i64 0, i32 0
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store i8 %5, i8* %7, align 1
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%8 = getelementptr inbounds %struct.A* %.01, i64 0, i32 1
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store i8 %6, i8* %8, align 1
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%9 = add nsw i32 %i.02, 1
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%10 = getelementptr inbounds %struct.A* %.01, i64 1
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%exitcond = icmp eq i32 %9, %count
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br i1 %exitcond, label %._crit_edge, label %4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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; The loads and the stores are interleved. Can't merge them.
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;CHECK-LABEL: no_merge_loads:
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;CHECK: movb
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;CHECK: movb
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;CHECK: movb
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;CHECK: movb
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;CHECK: ret
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define void @no_merge_loads(i32 %count, %struct.A* noalias nocapture %q, %struct.A* noalias nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%2 = getelementptr inbounds %struct.A* %q, i64 0, i32 0
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%3 = getelementptr inbounds %struct.A* %q, i64 0, i32 1
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br label %a4
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a4: ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %a9, %a4 ]
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%.01 = phi %struct.A* [ %p, %.lr.ph ], [ %a10, %a4 ]
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%a5 = load i8* %2, align 1
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%a7 = getelementptr inbounds %struct.A* %.01, i64 0, i32 0
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store i8 %a5, i8* %a7, align 1
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%a8 = getelementptr inbounds %struct.A* %.01, i64 0, i32 1
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%a6 = load i8* %3, align 1
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store i8 %a6, i8* %a8, align 1
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%a9 = add nsw i32 %i.02, 1
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%a10 = getelementptr inbounds %struct.A* %.01, i64 1
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%exitcond = icmp eq i32 %a9, %count
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br i1 %exitcond, label %._crit_edge, label %a4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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;CHECK-LABEL: merge_loads_integer:
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; load:
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;CHECK: movq
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; store:
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;CHECK: movq
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;CHECK: ret
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define void @merge_loads_integer(i32 %count, %struct.B* noalias nocapture %q, %struct.B* noalias nocapture %p) nounwind uwtable noinline ssp {
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%1 = icmp sgt i32 %count, 0
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br i1 %1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%2 = getelementptr inbounds %struct.B* %q, i64 0, i32 0
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%3 = getelementptr inbounds %struct.B* %q, i64 0, i32 1
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br label %4
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; <label>:4 ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %9, %4 ]
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%.01 = phi %struct.B* [ %p, %.lr.ph ], [ %10, %4 ]
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%5 = load i32* %2
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%6 = load i32* %3
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%7 = getelementptr inbounds %struct.B* %.01, i64 0, i32 0
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store i32 %5, i32* %7
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%8 = getelementptr inbounds %struct.B* %.01, i64 0, i32 1
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store i32 %6, i32* %8
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%9 = add nsw i32 %i.02, 1
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%10 = getelementptr inbounds %struct.B* %.01, i64 1
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%exitcond = icmp eq i32 %9, %count
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br i1 %exitcond, label %._crit_edge, label %4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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;CHECK-LABEL: merge_loads_vector:
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; load:
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;CHECK: movups
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; store:
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;CHECK: movups
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;CHECK: ret
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define void @merge_loads_vector(i32 %count, %struct.B* noalias nocapture %q, %struct.B* noalias nocapture %p) nounwind uwtable noinline ssp {
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%a1 = icmp sgt i32 %count, 0
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br i1 %a1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%a2 = getelementptr inbounds %struct.B* %q, i64 0, i32 0
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%a3 = getelementptr inbounds %struct.B* %q, i64 0, i32 1
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%a4 = getelementptr inbounds %struct.B* %q, i64 0, i32 2
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%a5 = getelementptr inbounds %struct.B* %q, i64 0, i32 3
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br label %block4
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block4: ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %c9, %block4 ]
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%.01 = phi %struct.B* [ %p, %.lr.ph ], [ %c10, %block4 ]
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%a7 = getelementptr inbounds %struct.B* %.01, i64 0, i32 0
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%a8 = getelementptr inbounds %struct.B* %.01, i64 0, i32 1
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%a9 = getelementptr inbounds %struct.B* %.01, i64 0, i32 2
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%a10 = getelementptr inbounds %struct.B* %.01, i64 0, i32 3
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%b1 = load i32* %a2
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%b2 = load i32* %a3
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%b3 = load i32* %a4
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%b4 = load i32* %a5
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store i32 %b1, i32* %a7
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store i32 %b2, i32* %a8
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store i32 %b3, i32* %a9
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store i32 %b4, i32* %a10
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%c9 = add nsw i32 %i.02, 1
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%c10 = getelementptr inbounds %struct.B* %.01, i64 1
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%exitcond = icmp eq i32 %c9, %count
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br i1 %exitcond, label %._crit_edge, label %block4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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;CHECK-LABEL: merge_loads_no_align:
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; load:
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;CHECK: movl
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;CHECK: movl
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;CHECK: movl
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;CHECK: movl
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; store:
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;CHECK: movl
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;CHECK: movl
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;CHECK: movl
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;CHECK: movl
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;CHECK: ret
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define void @merge_loads_no_align(i32 %count, %struct.B* noalias nocapture %q, %struct.B* noalias nocapture %p) nounwind uwtable noinline ssp {
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%a1 = icmp sgt i32 %count, 0
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br i1 %a1, label %.lr.ph, label %._crit_edge
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.lr.ph: ; preds = %0
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%a2 = getelementptr inbounds %struct.B* %q, i64 0, i32 0
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%a3 = getelementptr inbounds %struct.B* %q, i64 0, i32 1
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%a4 = getelementptr inbounds %struct.B* %q, i64 0, i32 2
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%a5 = getelementptr inbounds %struct.B* %q, i64 0, i32 3
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br label %block4
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block4: ; preds = %4, %.lr.ph
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%i.02 = phi i32 [ 0, %.lr.ph ], [ %c9, %block4 ]
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%.01 = phi %struct.B* [ %p, %.lr.ph ], [ %c10, %block4 ]
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%a7 = getelementptr inbounds %struct.B* %.01, i64 0, i32 0
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%a8 = getelementptr inbounds %struct.B* %.01, i64 0, i32 1
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%a9 = getelementptr inbounds %struct.B* %.01, i64 0, i32 2
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%a10 = getelementptr inbounds %struct.B* %.01, i64 0, i32 3
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%b1 = load i32* %a2, align 1
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%b2 = load i32* %a3, align 1
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%b3 = load i32* %a4, align 1
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%b4 = load i32* %a5, align 1
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store i32 %b1, i32* %a7, align 1
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store i32 %b2, i32* %a8, align 1
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store i32 %b3, i32* %a9, align 1
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store i32 %b4, i32* %a10, align 1
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%c9 = add nsw i32 %i.02, 1
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%c10 = getelementptr inbounds %struct.B* %.01, i64 1
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%exitcond = icmp eq i32 %c9, %count
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br i1 %exitcond, label %._crit_edge, label %block4
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._crit_edge: ; preds = %4, %0
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ret void
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}
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; Make sure that we merge the consecutive load/store sequence below and use a
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; word (16 bit) instead of a byte copy.
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; CHECK: MergeLoadStoreBaseIndexOffset
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; CHECK: movw (%{{.*}},%{{.*}}), [[REG:%[a-z]+]]
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; CHECK: movw [[REG]], (%{{.*}})
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define void @MergeLoadStoreBaseIndexOffset(i64* %a, i8* %b, i8* %c, i32 %n) {
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br label %1
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; <label>:1
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%.09 = phi i32 [ %n, %0 ], [ %11, %1 ]
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%.08 = phi i8* [ %b, %0 ], [ %10, %1 ]
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%.0 = phi i64* [ %a, %0 ], [ %2, %1 ]
|
|
%2 = getelementptr inbounds i64* %.0, i64 1
|
|
%3 = load i64* %.0, align 1
|
|
%4 = getelementptr inbounds i8* %c, i64 %3
|
|
%5 = load i8* %4, align 1
|
|
%6 = add i64 %3, 1
|
|
%7 = getelementptr inbounds i8* %c, i64 %6
|
|
%8 = load i8* %7, align 1
|
|
store i8 %5, i8* %.08, align 1
|
|
%9 = getelementptr inbounds i8* %.08, i64 1
|
|
store i8 %8, i8* %9, align 1
|
|
%10 = getelementptr inbounds i8* %.08, i64 2
|
|
%11 = add nsw i32 %.09, -1
|
|
%12 = icmp eq i32 %11, 0
|
|
br i1 %12, label %13, label %1
|
|
|
|
; <label>:13
|
|
ret void
|
|
}
|
|
|
|
; Make sure that we merge the consecutive load/store sequence below and use a
|
|
; word (16 bit) instead of a byte copy even if there are intermediate sign
|
|
; extensions.
|
|
; CHECK: MergeLoadStoreBaseIndexOffsetSext
|
|
; CHECK: movw (%{{.*}},%{{.*}}), [[REG:%[a-z]+]]
|
|
; CHECK: movw [[REG]], (%{{.*}})
|
|
define void @MergeLoadStoreBaseIndexOffsetSext(i8* %a, i8* %b, i8* %c, i32 %n) {
|
|
br label %1
|
|
|
|
; <label>:1
|
|
%.09 = phi i32 [ %n, %0 ], [ %12, %1 ]
|
|
%.08 = phi i8* [ %b, %0 ], [ %11, %1 ]
|
|
%.0 = phi i8* [ %a, %0 ], [ %2, %1 ]
|
|
%2 = getelementptr inbounds i8* %.0, i64 1
|
|
%3 = load i8* %.0, align 1
|
|
%4 = sext i8 %3 to i64
|
|
%5 = getelementptr inbounds i8* %c, i64 %4
|
|
%6 = load i8* %5, align 1
|
|
%7 = add i64 %4, 1
|
|
%8 = getelementptr inbounds i8* %c, i64 %7
|
|
%9 = load i8* %8, align 1
|
|
store i8 %6, i8* %.08, align 1
|
|
%10 = getelementptr inbounds i8* %.08, i64 1
|
|
store i8 %9, i8* %10, align 1
|
|
%11 = getelementptr inbounds i8* %.08, i64 2
|
|
%12 = add nsw i32 %.09, -1
|
|
%13 = icmp eq i32 %12, 0
|
|
br i1 %13, label %14, label %1
|
|
|
|
; <label>:14
|
|
ret void
|
|
}
|
|
|
|
; However, we can only merge ignore sign extensions when they are on all memory
|
|
; computations;
|
|
; CHECK: loadStoreBaseIndexOffsetSextNoSex
|
|
; CHECK-NOT: movw (%{{.*}},%{{.*}}), [[REG:%[a-z]+]]
|
|
; CHECK-NOT: movw [[REG]], (%{{.*}})
|
|
define void @loadStoreBaseIndexOffsetSextNoSex(i8* %a, i8* %b, i8* %c, i32 %n) {
|
|
br label %1
|
|
|
|
; <label>:1
|
|
%.09 = phi i32 [ %n, %0 ], [ %12, %1 ]
|
|
%.08 = phi i8* [ %b, %0 ], [ %11, %1 ]
|
|
%.0 = phi i8* [ %a, %0 ], [ %2, %1 ]
|
|
%2 = getelementptr inbounds i8* %.0, i64 1
|
|
%3 = load i8* %.0, align 1
|
|
%4 = sext i8 %3 to i64
|
|
%5 = getelementptr inbounds i8* %c, i64 %4
|
|
%6 = load i8* %5, align 1
|
|
%7 = add i8 %3, 1
|
|
%wrap.4 = sext i8 %7 to i64
|
|
%8 = getelementptr inbounds i8* %c, i64 %wrap.4
|
|
%9 = load i8* %8, align 1
|
|
store i8 %6, i8* %.08, align 1
|
|
%10 = getelementptr inbounds i8* %.08, i64 1
|
|
store i8 %9, i8* %10, align 1
|
|
%11 = getelementptr inbounds i8* %.08, i64 2
|
|
%12 = add nsw i32 %.09, -1
|
|
%13 = icmp eq i32 %12, 0
|
|
br i1 %13, label %14, label %1
|
|
|
|
; <label>:14
|
|
ret void
|
|
}
|