1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 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" 3 target triple = "x86_64-apple-darwin10.0.0" 4 5 ; Instcombine should be able to do trivial CSE of loads. 6 7 define i32 @test1(i32* %p) { 8 %t0 = getelementptr i32* %p, i32 1 9 %y = load i32* %t0 10 %t1 = getelementptr i32* %p, i32 1 11 %x = load i32* %t1 12 %a = sub i32 %y, %x 13 ret i32 %a 14 ; CHECK: @test1 15 ; CHECK: ret i32 0 16 } 17 18 19 ; PR7429 20 @.str = private constant [4 x i8] c"XYZ\00" 21 define float @test2() { 22 %tmp = load float* bitcast ([4 x i8]* @.str to float*), align 1 23 ret float %tmp 24 25 ; CHECK: @test2 26 ; CHECK: ret float 0x3806965600000000 27 }
