1 ; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s
2 ; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -target-abi n32 < %s | FileCheck --check-prefixes=ALL,N32 %s
4 ; RUN: llc -mtriple=mips64-linux-gnu -relocation-model=static -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s
5 ; RUN: llc -mtriple=mips64el-linux-gnu -relocation-model=static -target-abi n64 < %s | FileCheck --check-prefixes=ALL,N64 %s
7 ; Test return of {fp128} agrees with de-facto N32/N64 ABI.
9 @struct_fp128 = global {fp128} zeroinitializer
11 define inreg {fp128} @ret_struct_fp128() nounwind {
13 %0 = load volatile {fp128}, ptr @struct_fp128
17 ; ALL-LABEL: ret_struct_fp128:
19 ; O32 generates different IR so we don't test it here. It returns the struct
22 ; Contrary to the N32/N64 ABI documentation, a struct containing a long double
23 ; is returned in $f0, and $f1 instead of the usual $f0, and $f2. This is to
24 ; match the de facto ABI as implemented by GCC.
25 ; N32-DAG: lui [[R1:\$[0-9]+]], %hi(struct_fp128)
26 ; N32-DAG: ldc1 $f0, %lo(struct_fp128)([[R1]])
27 ; N32-DAG: addiu [[R3:\$[0-9]+]], [[R1]], %lo(struct_fp128)
28 ; N32-DAG: ldc1 $f1, 8([[R3]])
30 ; N64-DAG: lui [[R1:\$[0-9]+]], %highest(struct_fp128)
31 ; N64-DAG: ldc1 $f0, %lo(struct_fp128)([[R1]])
32 ; N64-DAG: ldc1 $f1, 8([[R1]])