|  | ; RUN: opt < %s -instcombine -S | FileCheck %s | 
|  | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" | 
|  | target triple = "x86_64-apple-darwin10.0.0" | 
|  |  | 
|  | ; Instcombine should be able to do trivial CSE of loads. | 
|  |  | 
|  | define i32 @test1(i32* %p) { | 
|  | %t0 = getelementptr i32* %p, i32 1 | 
|  | %y = load i32* %t0 | 
|  | %t1 = getelementptr i32* %p, i32 1 | 
|  | %x = load i32* %t1 | 
|  | %a = sub i32 %y, %x | 
|  | ret i32 %a | 
|  | ; CHECK: @test1 | 
|  | ; CHECK: ret i32 0 | 
|  | } | 
|  |  | 
|  |  | 
|  | ; PR7429 | 
|  | @.str = private constant [4 x i8] c"XYZ\00" | 
|  | define float @test2() { | 
|  | %tmp = load float* bitcast ([4 x i8]* @.str to float*), align 1 | 
|  | ret float %tmp | 
|  |  | 
|  | ; CHECK: @test2 | 
|  | ; CHECK: ret float 0x3806965600000000 | 
|  | } |