early-if-spare.ll
1.88 KB
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; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
; Check if the three stores in the loop were predicated.
; CHECK: if{{.*}}memw
; CHECK: if{{.*}}memw
; CHECK: if{{.*}}memw
target triple = "hexagon"
define void @fred(i32 %n, i32* %bp) #0 {
entry:
%cmp16 = icmp eq i32 %n, 0
br i1 %cmp16, label %for.end, label %for.body.lr.ph
for.body.lr.ph: ; preds = %entry
%cmp2 = icmp ugt i32 %n, 32
br label %for.body
for.body: ; preds = %for.inc, %for.body.lr.ph
%i.017 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.inc ]
%call = tail call i32 @foo(i32* %bp) nounwind
%call1 = tail call i32 @bar(i32* %bp) nounwind
br i1 %cmp2, label %if.then, label %if.else
if.then: ; preds = %for.body
%arrayidx = getelementptr inbounds i32, i32* %bp, i32 %i.017
store i32 %call, i32* %arrayidx, align 4, !tbaa !0
%add = add i32 %i.017, 2
%arrayidx3 = getelementptr inbounds i32, i32* %bp, i32 %add
store i32 %call1, i32* %arrayidx3, align 4, !tbaa !0
br label %for.inc
if.else: ; preds = %for.body
%or = or i32 %call1, %call
%arrayidx4 = getelementptr inbounds i32, i32* %bp, i32 %i.017
store i32 %or, i32* %arrayidx4, align 4, !tbaa !0
br label %for.inc
for.inc: ; preds = %if.then, %if.else
%inc = add i32 %i.017, 1
%exitcond = icmp eq i32 %inc, %n
br i1 %exitcond, label %for.end.loopexit, label %for.body
for.end.loopexit: ; preds = %for.inc
br label %for.end
for.end: ; preds = %for.end.loopexit, %entry
ret void
}
declare i32 @foo(i32*) nounwind
declare i32 @bar(i32*) nounwind
attributes #0 = { nounwind "target-cpu"="hexagonv5" }
!0 = !{!"int", !1}
!1 = !{!"omnipotent char", !2}
!2 = !{!"Simple C/C++ TBAA"}