; Ensure that tail->inner is removed and rely on verify-loopinfo to
; check soundness.
;
-; CHECK: @skiplevelexit
+; CHECK-LABEL: @skiplevelexit(
; CHECK: tail:
; CHECK-NOT: br
; CHECK: ret void
inner:
%iv = phi i32 [ 0, %outer ], [ %inc, %tail ]
%inc = add i32 %iv, 1
- %wbucond = call zeroext i1 @check()
- br i1 %wbucond, label %outer.backedge, label %tail
+ call zeroext i1 @check()
+ br i1 true, label %outer.backedge, label %tail
tail:
br i1 false, label %inner, label %exit
; Ensure that only the middle loop is removed and rely on verify-loopinfo to
; check soundness.
;
-; CHECK: @unloopNested
+; CHECK-LABEL: @unloopNested(
; Outer loop control.
; CHECK: while.body:
; CHECK: br i1 %cmp3, label %if.then, label %if.end
; Ensure that only the middle loop is removed and rely on verify-loopinfo to
; check soundness.
;
-; CHECK: @unloopDeepNested
+; This test must be disabled until trip count computation can be optimized...
+; rdar:14038809 [SCEV]: Optimize trip count computation for multi-exit loops.
+; CHECKFIXME-LABEL: @unloopDeepNested(
; Inner-inner loop control.
-; CHECK: while.cond.us.i:
-; CHECK: br i1 %cmp.us.i, label %next_data.exit, label %while.body.us.i
-; CHECK: if.then.us.i:
-; CHECK: br label %while.cond.us.i
+; CHECKFIXME: while.cond.us.i:
+; CHECKFIXME: br i1 %cmp.us.i, label %next_data.exit, label %while.body.us.i
+; CHECKFIXME: if.then.us.i:
+; CHECKFIXME: br label %while.cond.us.i
; Inner loop tail.
-; CHECK: if.else.i:
-; CHECK: br label %while.cond.outer.i
+; CHECKFIXME: if.else.i:
+; CHECKFIXME: br label %while.cond.outer.i
; Middle loop control (removed).
-; CHECK: valid_data.exit:
-; CHECK-NOT: br
-; CHECK: %cmp = call zeroext i1 @check()
+; CHECKFIXME: valid_data.exit:
+; CHECKFIXME-NOT: br
+; CHECKFIXME: %cmp = call zeroext i1 @check()
; Outer loop control.
-; CHECK: copy_data.exit:
-; CHECK: br i1 %cmp38, label %if.then39, label %while.cond.outer
+; CHECKFIXME: copy_data.exit:
+; CHECKFIXME: br i1 %cmp38, label %if.then39, label %while.cond.outer
; Outer-outer loop tail.
-; CHECK: while.cond.outer.outer.backedge:
-; CHECK: br label %while.cond.outer.outer
+; CHECKFIXME: while.cond.outer.outer.backedge:
+; CHECKFIXME: br label %while.cond.outer.outer
define void @unloopDeepNested() nounwind {
for.cond8.preheader.i:
%cmp113.i = call zeroext i1 @check()
; Ensure that only the middle loop is removed and rely on verify-loopinfo to
; check soundness.
;
-; CHECK: @unloopIrreducible
+; CHECK-LABEL: @unloopIrreducible(
; Irreducible loop.
; CHECK: for.inc117:
; CHECK: br label %for.cond103t
; Ensure that only the loop is removed and rely on verify-loopinfo to
; check soundness.
;
-; CHECK: @unloopCriticalEdge
+; CHECK-LABEL: @unloopCriticalEdge(
; CHECK: while.cond.outer.i.loopexit.split:
; CHECK: br label %while.body
; CHECK: while.body:
}
; PR11335: the most deeply nested block should be removed from the outer loop.
-; CHECK: @removeSubloopBlocks2
+; CHECK-LABEL: @removeSubloopBlocks2(
; CHECK: for.cond3:
; CHECK-NOT: br
; CHECK: ret void