blob: 2051d2a46b20ab1b17fba88bff030e385a3d7b60 [file] [log] [blame]
; RUN: opt < %s -indvars -loop-deletion -S |FileCheck %s
; Check IndVarSimplify should replace exit value even if the expansion cost
; is high because the loop can be deleted after the exit value rewrite.
;
; CHECK-LABEL: @_Z3fooPKcjj(
; CHECK: udiv
; CHECK: [[LABEL:^[a-zA-Z0-9_.]+]]:
; CHECK-NOT: br {{.*}} [[LABEL]]
define i32 @_Z3fooPKcjj(i8* nocapture readnone %s, i32 %len, i32 %c) #0 {
entry:
br label %while.cond
while.cond: ; preds = %while.cond, %entry
%klen.0 = phi i32 [ %len, %entry ], [ %sub, %while.cond ]
%cmp = icmp ugt i32 %klen.0, 11
%sub = add i32 %klen.0, -12
br i1 %cmp, label %while.cond, label %while.end
while.end: ; preds = %while.cond
%klen.0.lcssa = phi i32 [ %klen.0, %while.cond ]
ret i32 %klen.0.lcssa
}