; Make sure that the compare instruction occurs after the increment to avoid | |
; having overlapping live ranges that result in copies. We want the setcc | |
; instruction immediately before the conditional branch. | |
; | |
; RUN: opt -S -loop-reduce %s | FileCheck %s | |
define void @foo(float* %D, i32 %E) { | |
entry: | |
br label %no_exit | |
no_exit: ; preds = %no_exit, %entry | |
%indvar = phi i32 [ 0, %entry ], [ %indvar.next, %no_exit ] ; <i32> [#uses=1] | |
volatile store float 0.000000e+00, float* %D | |
%indvar.next = add i32 %indvar, 1 ; <i32> [#uses=2] | |
; CHECK: icmp | |
; CHECK-NEXT: br i1 | |
%exitcond = icmp eq i32 %indvar.next, %E ; <i1> [#uses=1] | |
br i1 %exitcond, label %loopexit, label %no_exit | |
loopexit: ; preds = %no_exit | |
ret void | |
} | |