1 ; NOTE: Assertions have been autogenerated by update_test_checks.py
2 ; RUN: opt < %s -instsimplify -S | FileCheck %s
4 @zeroinit = constant {} zeroinitializer
5 @undef = constant {} undef
7 define i32 @crash_on_zeroinit() {
8 ; CHECK-LABEL: @crash_on_zeroinit(
11 %load = load i32, i32* bitcast ({}* @zeroinit to i32*)
15 define i32 @crash_on_undef() {
16 ; CHECK-LABEL: @crash_on_undef(
17 ; CHECK: ret i32 undef
19 %load = load i32, i32* bitcast ({}* @undef to i32*)
23 @GV = private constant [8 x i32] [i32 42, i32 43, i32 44, i32 45, i32 46, i32 47, i32 48, i32 49]
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>*)
32 @constvec = internal constant <3 x float> <float 0xBFDA20BC40000000, float 0xBFE6A09EE0000000, float 0x3FE279A760000000>
34 ; This does an out of bounds load from the global constant
35 define <3 x float> @load_vec3() {
36 ; CHECK-LABEL: @load_vec3(
37 ; CHECK-NEXT: ret <3 x float> undef
38 %1 = load <3 x float>, <3 x float>* getelementptr inbounds (<3 x float>, <3 x float>* @constvec, i64 1)