[AMDGPU] Add some gfx1010 test coverage. NFC.

Author: jayfoad

llvm/test/CodeGen/AMDGPU/rel32.ll

@@ -1,11 +1,12 @@
 ; RUN: llc -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck %s
+; RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck %s
 
 @g = protected local_unnamed_addr addrspace(4) externally_initialized global i32 0, align 4
 
 ; CHECK-LABEL: rel32_neg_offset:
 ; CHECK: s_getpc_b64 s{{\[}}[[LO:[0-9]+]]:[[HI:[0-9]+]]{{]}}
-; CHECK: s_add_u32 s[[LO]], s[[LO]], g@rel32@lo-4
-; CHECK: s_addc_u32 s[[HI]], s[[HI]], g@rel32@hi+4
+; CHECK-NEXT: s_add_u32 s[[LO]], s[[LO]], g@rel32@lo-4
+; CHECK-NEXT: s_addc_u32 s[[HI]], s[[HI]], g@rel32@hi+4
 define i32 addrspace(4)* @rel32_neg_offset() {
   %r = getelementptr i32, i32 addrspace(4)* @g, i64 -2
   ret i32 addrspace(4)* %r