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; RUN: opt -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S < %s | FileCheck %s --check-prefix=CHECK
define i64 @select_icmp_nuw_nsw(ptr %a, ptr %b, i64 %ii, i64 %n) {
; CHECK-LABEL: define i64 @select_icmp_nuw_nsw
; CHECK-NOT: vector.body:
;
entry:
br label %for.body
for.body: ; preds = %entry, %for.body
%iv = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%rdx = phi i64 [ %cond, %for.body ], [ %ii, %entry ]
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
%0 = load i64, ptr %arrayidx, align 8
%arrayidx1 = getelementptr inbounds i64, ptr %b, i64 %iv
%1 = load i64, ptr %arrayidx1, align 8
%cmp2 = icmp sgt i64 %0, %1
%cond = select i1 %cmp2, i64 %iv, i64 %rdx
%inc = add nuw nsw i64 %iv, 1
%exitcond.not = icmp eq i64 %inc, %n
br i1 %exitcond.not, label %exit, label %for.body
exit: ; preds = %for.body
ret i64 %cond
}
define i64 @select_icmp_nsw(ptr %a, ptr %b, i64 %ii, i64 %n) {
; CHECK-LABEL: define i64 @select_icmp_nsw
; CHECK-NOT: vector.body:
;
entry:
br label %for.body
for.body: ; preds = %entry, %for.body
%iv = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%rdx = phi i64 [ %cond, %for.body ], [ %ii, %entry ]
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
%0 = load i64, ptr %arrayidx, align 8
%arrayidx1 = getelementptr inbounds i64, ptr %b, i64 %iv
%1 = load i64, ptr %arrayidx1, align 8
%cmp2 = icmp sgt i64 %0, %1
%cond = select i1 %cmp2, i64 %iv, i64 %rdx
%inc = add nsw i64 %iv, 1
%exitcond.not = icmp eq i64 %inc, %n
br i1 %exitcond.not, label %exit, label %for.body
exit: ; preds = %for.body
ret i64 %cond
}
define i64 @select_icmp_nuw(ptr %a, ptr %b, i64 %ii, i64 %n) {
; CHECK-LABEL: define i64 @select_icmp_nuw
; CHECK-NOT: vector.body:
;
entry:
br label %for.body
for.body: ; preds = %entry, %for.body
%iv = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%rdx = phi i64 [ %cond, %for.body ], [ %ii, %entry ]
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
%0 = load i64, ptr %arrayidx, align 8
%arrayidx1 = getelementptr inbounds i64, ptr %b, i64 %iv
%1 = load i64, ptr %arrayidx1, align 8
%cmp2 = icmp sgt i64 %0, %1
%cond = select i1 %cmp2, i64 %iv, i64 %rdx
%inc = add nuw i64 %iv, 1
%exitcond.not = icmp eq i64 %inc, %n
br i1 %exitcond.not, label %exit, label %for.body
exit: ; preds = %for.body
ret i64 %cond
}
define i64 @select_icmp_noflag(ptr %a, ptr %b, i64 %ii, i64 %n) {
; CHECK-LABEL: define i64 @select_icmp_noflag
; CHECK-NOT: vector.body:
;
entry:
br label %for.body
for.body: ; preds = %entry, %for.body
%iv = phi i64 [ %inc, %for.body ], [ 0, %entry ]
%rdx = phi i64 [ %cond, %for.body ], [ %ii, %entry ]
%arrayidx = getelementptr inbounds i64, ptr %a, i64 %iv
%0 = load i64, ptr %arrayidx, align 8
%arrayidx1 = getelementptr inbounds i64, ptr %b, i64 %iv
%1 = load i64, ptr %arrayidx1, align 8
%cmp2 = icmp sgt i64 %0, %1
%cond = select i1 %cmp2, i64 %iv, i64 %rdx
%inc = add i64 %iv, 1
%exitcond.not = icmp eq i64 %inc, %n
br i1 %exitcond.not, label %exit, label %for.body
exit: ; preds = %for.body
ret i64 %cond
}
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