1 ; RUN: opt -basicaa -load-combine -instcombine -S < %s | FileCheck %s
2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
3 target triple = "x86_64-unknown-linux-gnu"
5 define i64 @test1(i32* nocapture readonly noalias %a, i32* nocapture readonly noalias %b) {
8 ; CHECK: load i64, i64*
11 %load1 = load i32, i32* %a, align 4
12 %conv = zext i32 %load1 to i64
13 %arrayidx1 = getelementptr inbounds i32, i32* %a, i64 1
14 store i32 %load1, i32* %b, align 4
15 %load2 = load i32, i32* %arrayidx1, align 4
16 %conv2 = zext i32 %load2 to i64
17 %shl = shl nuw i64 %conv2, 32
18 %add = or i64 %shl, %conv
22 define i64 @test2(i32* nocapture readonly %a, i32* nocapture readonly %b) {
25 ; CHECK: load i32, i32*
26 ; CHECK: load i32, i32*
29 %load1 = load i32, i32* %a, align 4
30 %conv = zext i32 %load1 to i64
31 %arrayidx1 = getelementptr inbounds i32, i32* %a, i64 1
32 store i32 %load1, i32* %b, align 4
33 %load2 = load i32, i32* %arrayidx1, align 4
34 %conv2 = zext i32 %load2 to i64
35 %shl = shl nuw i64 %conv2, 32
36 %add = or i64 %shl, %conv