1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -passes=instsimplify -S -o - | FileCheck %s
3
4; Testcase that verify that we don't get a faulty bitcast that cast between
5; different sizes.
6
7%rec8 = type { i16 }
8@a = global [1 x %rec8] zeroinitializer
9
10define <2 x ptr> @test_gep() {
11; CHECK-LABEL: @test_gep(
12; CHECK-NEXT:    ret <2 x ptr> <ptr @a, ptr @a>
13;
14  %A = getelementptr [1 x %rec8], ptr @a, <2 x i16> zeroinitializer, <2 x i64> zeroinitializer
15  %B = bitcast <2 x ptr> %A to <2 x ptr>
16  ret <2 x ptr> %B
17}
18
19; Testcase that verify the cast-of-cast when the outer/second cast is to a
20; vector type.
21
22define <4 x i16> @test_mmx_const() {
23; CHECK-LABEL: @test_mmx_const(
24; CHECK-NEXT:    ret <4 x i16> zeroinitializer
25;
26  %A = bitcast <2 x i32> zeroinitializer to x86_mmx
27  %B = bitcast x86_mmx %A to <4 x i16>
28  ret <4 x i16> %B
29}
30