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e62b338f26
Build on newly introduced ARC postincrement loads/stores from r356200. Patch By Denis Antrushin! <denis@synopsys.com> Differential Revision: https://reviews.llvm.org/D59409 llvm-svn: 356606
69 lines
2.3 KiB
LLVM
69 lines
2.3 KiB
LLVM
; RUN: llc -march=arc < %s | FileCheck %s
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; CHECK-LABEL: copy
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; CHECK-NOT: add
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define void @copy(i8* inreg nocapture %p, i8* inreg nocapture readonly %q) {
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entry:
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br label %while.cond
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while.cond: ; preds = %while.cond, %entry
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%p.addr.0 = phi i8* [ %p, %entry ], [ %incdec.ptr1, %while.cond ]
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%q.addr.0 = phi i8* [ %q, %entry ], [ %incdec.ptr, %while.cond ]
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%incdec.ptr = getelementptr inbounds i8, i8* %q.addr.0, i32 1
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%0 = load i8, i8* %q.addr.0, align 1
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%incdec.ptr1 = getelementptr inbounds i8, i8* %p.addr.0, i32 1
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store i8 %0, i8* %p.addr.0, align 1
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%tobool = icmp eq i8 %0, 0
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br i1 %tobool, label %while.end, label %while.cond
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while.end: ; preds = %while.cond
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ret void
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}
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%struct._llist = type { %struct._llist*, %struct._llist*, i32 }
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; CHECK-LABEL: neg1
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; CHECK-NOT: std.ab
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define void @neg1(i8* inreg nocapture %a, i8* inreg nocapture readonly %b, i32 inreg %n) {
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entry:
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%cmp6 = icmp sgt i32 %n, 0
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br i1 %cmp6, label %for.body, label %for.cond.cleanup
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for.cond.cleanup:
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ret void
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for.body:
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%i.07 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds i8, i8* %b, i32 %i.07
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%0 = load i8, i8* %arrayidx, align 1
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%mul = mul nuw nsw i32 %i.07, 257
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%arrayidx1 = getelementptr inbounds i8, i8* %a, i32 %mul
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store i8 %0, i8* %arrayidx1, align 1
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%inc = add nuw nsw i32 %i.07, 1
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%exitcond = icmp eq i32 %inc, %n
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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; CHECK-LABEL: neg2
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; CHECK-NOT: st.ab
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define void @neg2(%struct._llist* inreg %a, i32 inreg %n) {
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entry:
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%cmp13 = icmp sgt i32 %n, 0
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br i1 %cmp13, label %for.body, label %for.cond.cleanup
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for.cond.cleanup:
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ret void
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for.body:
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%i.014 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
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%arrayidx = getelementptr inbounds %struct._llist, %struct._llist* %a, i32 %i.014
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%next = getelementptr inbounds %struct._llist, %struct._llist* %arrayidx, i32 0, i32 0
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store %struct._llist* %arrayidx, %struct._llist** %next, align 4
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%prev = getelementptr inbounds %struct._llist, %struct._llist* %a, i32 %i.014, i32 1
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store %struct._llist* %arrayidx, %struct._llist** %prev, align 4
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%inc = add nuw nsw i32 %i.014, 1
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%exitcond = icmp eq i32 %inc, %n
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br i1 %exitcond, label %for.cond.cleanup, label %for.body
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}
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