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llvm-mirror/test/CodeGen/PowerPC/addrspacecast.ll
Nemanja Ivanovic 3ba3c2e680 [PowerPC] Make AddrSpaceCast noop
PowerPC targets do not use address spaces. As a result, we can get selection
failures with address space casts. This patch makes those casts noops.

Patch by Valentin Churavy.

Differential revision: https://reviews.llvm.org/D43781

llvm-svn: 327877
2018-03-19 18:50:02 +00:00

23 lines
968 B
LLVM

; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu %s -o - | FileCheck %s
; Check that codegen for an addrspace cast succeeds without error.
define <4 x i32 addrspace(1)*> @f (<4 x i32*> %x) {
%1 = addrspacecast <4 x i32*> %x to <4 x i32 addrspace(1)*>
ret <4 x i32 addrspace(1)*> %1
; CHECK-LABEL: @f
}
; Check that fairly complicated addrspace cast and operations succeed without error.
%struct = type opaque
define void @g (%struct addrspace(10)** %x) {
%1 = load %struct addrspace(10)*, %struct addrspace(10)** %x
%2 = addrspacecast %struct addrspace(10)* %1 to %struct addrspace(11)*
%3 = bitcast %struct addrspace(11)* %2 to i8 addrspace(11)*
%4 = getelementptr i8, i8 addrspace(11)* %3, i64 16
%5 = bitcast i8 addrspace(11)* %4 to %struct addrspace(10)* addrspace(11)*
%6 = load %struct addrspace(10)*, %struct addrspace(10)* addrspace(11)* %5
store %struct addrspace(10)* %6, %struct addrspace(10)** undef
ret void
; CHECK-LABEL: @g
}