forked from OSchip/llvm-project
30 lines
1.0 KiB
LLVM
30 lines
1.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
|
; RUN: opt < %s -constprop -S -o - | FileCheck %s
|
|
|
|
; Testcase that verify that we don't get a faulty bitcast that cast between
|
|
; different sizes.
|
|
|
|
%rec8 = type { i16 }
|
|
@a = global [1 x %rec8] zeroinitializer
|
|
|
|
define <2 x i16*> @test_gep() {
|
|
; CHECK-LABEL: @test_gep(
|
|
; CHECK-NEXT: ret <2 x i16*> <i16* getelementptr inbounds ([1 x %rec8], [1 x %rec8]* @a, i32 0, i32 0, i32 0), i16* getelementptr inbounds ([1 x %rec8], [1 x %rec8]* @a, i32 0, i32 0, i32 0)>
|
|
;
|
|
%A = getelementptr [1 x %rec8], [1 x %rec8]* @a, <2 x i16> zeroinitializer, <2 x i64> zeroinitializer
|
|
%B = bitcast <2 x %rec8*> %A to <2 x i16*>
|
|
ret <2 x i16*> %B
|
|
}
|
|
|
|
; Testcase that verify the cast-of-cast when the outer/second cast is to a
|
|
; vector type.
|
|
|
|
define <4 x i16> @test_mmx_const() {
|
|
; CHECK-LABEL: @test_mmx_const(
|
|
; CHECK-NEXT: ret <4 x i16> zeroinitializer
|
|
;
|
|
%A = bitcast <2 x i32> zeroinitializer to x86_mmx
|
|
%B = bitcast x86_mmx %A to <4 x i16>
|
|
ret <4 x i16> %B
|
|
}
|