; RUN: opt < %s -indvars -loop-deletion -simplifycfg -S | not grep br | |
; | |
; Testcase distilled from 256.bzip2 | |
define i32 @main() { | |
entry: | |
br label %loopentry | |
loopentry: ; preds = %loopentry, %entry | |
%indvar1 = phi i32 [ 0, %entry ], [ %indvar.next2, %loopentry ] ; <i32> [#uses=1] | |
%h.0 = phi i32 [ %tmp.2, %loopentry ], [ 4, %entry ] ; <i32> [#uses=1] | |
%tmp.1 = mul i32 %h.0, 3 ; <i32> [#uses=1] | |
%tmp.2 = add i32 %tmp.1, 1 ; <i32> [#uses=2] | |
%indvar.next2 = add i32 %indvar1, 1 ; <i32> [#uses=2] | |
%exitcond3 = icmp ne i32 %indvar.next2, 4 ; <i1> [#uses=1] | |
br i1 %exitcond3, label %loopentry, label %loopexit | |
loopexit: ; preds = %loopentry | |
ret i32 %tmp.2 | |
} | |