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