1 ; RUN: opt -domtree -instcombine -loops -S < %s | FileCheck %s
2 ; Note: The -loops above can be anything that requires the domtree, and is
3 ; necessary to work around a pass-manager bug.
5 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
6 target triple = "x86_64-unknown-linux-gnu"
8 ; Function Attrs: nounwind uwtable
9 define void @foo(i32* %a, i32* %b) #0 {
11 %ptrint = ptrtoint i32* %a to i64
12 %maskedptr = and i64 %ptrint, 63
13 %maskcond = icmp eq i64 %maskedptr, 0
14 tail call void @llvm.assume(i1 %maskcond)
15 %ptrint1 = ptrtoint i32* %b to i64
16 %maskedptr2 = and i64 %ptrint1, 63
17 %maskcond3 = icmp eq i64 %maskedptr2, 0
18 tail call void @llvm.assume(i1 %maskcond3)
22 ; CHECK: load i32, i32* {{.*}} align 64
23 ; CHECK: store i32 {{.*}} align 64
26 for.body: ; preds = %entry, %for.body
27 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
28 %arrayidx = getelementptr inbounds i32, i32* %b, i64 %indvars.iv
29 %0 = load i32, i32* %arrayidx, align 4
30 %add = add nsw i32 %0, 1
31 %arrayidx5 = getelementptr inbounds i32, i32* %a, i64 %indvars.iv
32 store i32 %add, i32* %arrayidx5, align 4
33 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 16
34 %1 = trunc i64 %indvars.iv.next to i32
35 %cmp = icmp slt i32 %1, 1648
36 br i1 %cmp, label %for.body, label %for.end
38 for.end: ; preds = %for.body
42 ; Function Attrs: nounwind
43 declare void @llvm.assume(i1) #1
45 attributes #0 = { nounwind uwtable }
46 attributes #1 = { nounwind }