1*9880d681SAndroid Build Coastguard Worker; NOTE: Assertions have been autogenerated by update_test_checks.py 2*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -instsimplify -S | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker 4*9880d681SAndroid Build Coastguard Worker@zeroinit = constant {} zeroinitializer 5*9880d681SAndroid Build Coastguard Worker@undef = constant {} undef 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Workerdefine i32 @crash_on_zeroinit() { 8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @crash_on_zeroinit( 9*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32 0 10*9880d681SAndroid Build Coastguard Worker; 11*9880d681SAndroid Build Coastguard Worker %load = load i32, i32* bitcast ({}* @zeroinit to i32*) 12*9880d681SAndroid Build Coastguard Worker ret i32 %load 13*9880d681SAndroid Build Coastguard Worker} 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Workerdefine i32 @crash_on_undef() { 16*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @crash_on_undef( 17*9880d681SAndroid Build Coastguard Worker; CHECK: ret i32 undef 18*9880d681SAndroid Build Coastguard Worker; 19*9880d681SAndroid Build Coastguard Worker %load = load i32, i32* bitcast ({}* @undef to i32*) 20*9880d681SAndroid Build Coastguard Worker ret i32 %load 21*9880d681SAndroid Build Coastguard Worker} 22*9880d681SAndroid Build Coastguard Worker 23*9880d681SAndroid Build Coastguard Worker@GV = private constant [8 x i32] [i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48, i32 49] 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Workerdefine <8 x i32> @partial_load() { 26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @partial_load( 27*9880d681SAndroid Build Coastguard Worker; CHECK: ret <8 x i32> <i32 0, i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48> 28*9880d681SAndroid Build Coastguard Worker %load = load <8 x i32>, <8 x i32>* bitcast (i32* getelementptr ([8 x i32], [8 x i32]* @GV, i64 0, i64 -1) to <8 x i32>*) 29*9880d681SAndroid Build Coastguard Worker ret <8 x i32> %load 30*9880d681SAndroid Build Coastguard Worker} 31