remove-endloop.ll
1.82 KB
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; RUN: llc -march=hexagon -O2 < %s | FileCheck %s
define void @foo(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind optsize {
entry:
%cmp = icmp sgt i32 %n, 100
br i1 %cmp, label %for.body.preheader, label %for.cond4.preheader
; CHECK: endloop0
; CHECK: endloop0
; CHECK-NOT: endloop0
for.body.preheader:
br label %for.body
for.cond4.preheader:
%cmp113 = icmp sgt i32 %n, 0
br i1 %cmp113, label %for.body7.preheader, label %if.end
for.body7.preheader:
br label %for.body7
for.body:
%arrayidx.phi = phi i32* [ %arrayidx.inc, %for.body ], [ %B, %for.body.preheader ]
%arrayidx3.phi = phi i32* [ %arrayidx3.inc, %for.body ], [ %A, %for.body.preheader ]
%i.014 = phi i32 [ %inc, %for.body ], [ 0, %for.body.preheader ]
%0 = load i32, i32* %arrayidx.phi, align 4
%sub = add nsw i32 %0, -1
store i32 %sub, i32* %arrayidx3.phi, align 4
%inc = add nsw i32 %i.014, 1
%exitcond = icmp eq i32 %inc, %n
%arrayidx.inc = getelementptr i32, i32* %arrayidx.phi, i32 1
%arrayidx3.inc = getelementptr i32, i32* %arrayidx3.phi, i32 1
br i1 %exitcond, label %if.end.loopexit, label %for.body
for.body7:
%arrayidx8.phi = phi i32* [ %arrayidx8.inc, %for.body7 ], [ %B, %for.body7.preheader ]
%arrayidx9.phi = phi i32* [ %arrayidx9.inc, %for.body7 ], [ %A, %for.body7.preheader ]
%i.117 = phi i32 [ %inc11, %for.body7 ], [ 0, %for.body7.preheader ]
%1 = load i32, i32* %arrayidx8.phi, align 4
%add = add nsw i32 %1, 1
store i32 %add, i32* %arrayidx9.phi, align 4
%inc11 = add nsw i32 %i.117, 1
%exitcond18 = icmp eq i32 %inc11, %n
%arrayidx8.inc = getelementptr i32, i32* %arrayidx8.phi, i32 1
%arrayidx9.inc = getelementptr i32, i32* %arrayidx9.phi, i32 1
br i1 %exitcond18, label %if.end.loopexit21, label %for.body7
if.end.loopexit:
br label %if.end
if.end.loopexit21:
br label %if.end
if.end:
ret void
}