1 ; RUN: opt < %s -basicaa -gvn -instcombine -S | FileCheck %s 2 ; PR2436 3 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" 4 target triple = "i386-apple-darwin8" 5 6 define i1 @foo(i32 %i) nounwind { 7 ; CHECK: ret i1 true 8 entry: 9 %arr = alloca [10 x i8*] ; <[10 x i8*]*> [#uses=1] 10 %tmp2 = call i8* @getPtr( ) nounwind ; <i8*> [#uses=2] 11 %tmp4 = getelementptr [10 x i8*]* %arr, i32 0, i32 %i ; <i8**> [#uses=2] 12 store i8* %tmp2, i8** %tmp4, align 4 13 %tmp10 = getelementptr i8* %tmp2, i32 10 ; <i8*> [#uses=1] 14 store i8 42, i8* %tmp10, align 1 15 %tmp14 = load i8** %tmp4, align 4 ; <i8*> [#uses=1] 16 %tmp16 = getelementptr i8* %tmp14, i32 10 ; <i8*> [#uses=1] 17 %tmp17 = load i8* %tmp16, align 1 ; <i8> [#uses=1] 18 %tmp19 = icmp eq i8 %tmp17, 42 ; <i1> [#uses=1] 19 ret i1 %tmp19 20 } 21 22 declare i8* @getPtr() 23 24 declare void @abort() noreturn nounwind 25