; RUN: opt < %s -gvn -S | FileCheck %s target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32-n32" @p = external global i32 define arm_apcscc i32 @test(i32 %n) nounwind { ; CHECK: @test entry: br label %for.cond ; loads aligned greater than the memory should not be moved past conditionals ; CHECK-NOT: load ; CHECK: br i1 for.cond: %i.0 = phi i32 [ 0, %entry ], [ %indvar.next, %for.inc ] %cmp = icmp slt i32 %i.0, %n br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge for.cond.for.end_crit_edge: ; ...but PRE can still move the load out of for.end to here. ; CHECK: for.cond.for.end_crit_edge: ; CHECK-NEXT: load br label %for.end for.body: %tmp3 = load i32* @p, align 8 %dec = add i32 %tmp3, -1 store i32 %dec, i32* @p %cmp6 = icmp slt i32 %dec, 0 br i1 %cmp6, label %for.body.for.end_crit_edge, label %for.inc for.body.for.end_crit_edge: br label %for.end for.inc: %indvar.next = add i32 %i.0, 1 br label %for.cond for.end: %tmp9 = load i32* @p, align 8 ret i32 %tmp9 }