14055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// RUN: %clang -target mipsel-unknown-linux -O3 -S -o - -emit-llvm %s | FileCheck %s -check-prefix=O32 24055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// RUN: %clang -target mips64el-unknown-linux -O3 -S -mabi=n64 -o - -emit-llvm %s | FileCheck %s -check-prefix=N64 3f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka 4f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanakatypedef struct { 5f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka double d; 6f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka long double ld; 7f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka} S0; 8f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka 9a33fd393d5255716e904fed021f87260095ed00aAkira Hatanaka// Insert padding to ensure arguments of type S0 are aligned to 16-byte boundaries. 10f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka 114055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// N64: define void @foo1(i32 %a0, i64, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 %b, i64, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) 124055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// N64: tail call void @foo2(i32 1, i32 2, i32 %a0, i64 undef, double %a1.coerce0, i64 %a1.coerce1, i64 %a1.coerce2, i64 %a1.coerce3, double %a2.coerce0, i64 %a2.coerce1, i64 %a2.coerce2, i64 %a2.coerce3, i32 3, i64 undef, double %a3.coerce0, i64 %a3.coerce1, i64 %a3.coerce2, i64 %a3.coerce3) 134055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// N64: declare void @foo2(i32, i32, i32, i64, double, i64, i64, i64, double, i64, i64, i64, i32, i64, double, i64, i64, i64) 14f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka 15f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanakaextern void foo2(int, int, int, S0, S0, int, S0); 16f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka 17f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanakavoid foo1(int a0, S0 a1, S0 a2, int b, S0 a3) { 18f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka foo2(1, 2, a0, a1, a2, 3, a3); 19f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka} 20f0cc2087b18c48b17c2f647c88a3e7eef19285fdAkira Hatanaka 21a33fd393d5255716e904fed021f87260095ed00aAkira Hatanaka// Insert padding before long double argument. 22a33fd393d5255716e904fed021f87260095ed00aAkira Hatanaka// 234055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// N64: define void @foo3(i32 %a0, i64, fp128 %a1) 244055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// N64: tail call void @foo4(i32 1, i32 2, i32 %a0, i64 undef, fp128 %a1) 254055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// N64: declare void @foo4(i32, i32, i32, i64, fp128) 26a33fd393d5255716e904fed021f87260095ed00aAkira Hatanaka 27a33fd393d5255716e904fed021f87260095ed00aAkira Hatanakaextern void foo4(int, int, int, long double); 28a33fd393d5255716e904fed021f87260095ed00aAkira Hatanaka 29a33fd393d5255716e904fed021f87260095ed00aAkira Hatanakavoid foo3(int a0, long double a1) { 30a33fd393d5255716e904fed021f87260095ed00aAkira Hatanaka foo4(1, 2, a0, a1); 31a33fd393d5255716e904fed021f87260095ed00aAkira Hatanaka} 32a33fd393d5255716e904fed021f87260095ed00aAkira Hatanaka 33cc66254946ec86a2ec94ff9c8db96b05a364a94fAkira Hatanaka// Insert padding after hidden argument. 34cc66254946ec86a2ec94ff9c8db96b05a364a94fAkira Hatanaka// 355e31474b9c8348e8d0404264ae6a8775e34df6acBill Wendling// N64: define void @foo5(%struct.S0* noalias sret %agg.result, i64, fp128 %a0) 364055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// N64: call void @foo6(%struct.S0* sret %agg.result, i32 1, i32 2, i64 undef, fp128 %a0) 374055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// N64: declare void @foo6(%struct.S0* sret, i32, i32, i64, fp128) 38cc66254946ec86a2ec94ff9c8db96b05a364a94fAkira Hatanaka 39cc66254946ec86a2ec94ff9c8db96b05a364a94fAkira Hatanakaextern S0 foo6(int, int, long double); 40cc66254946ec86a2ec94ff9c8db96b05a364a94fAkira Hatanaka 41cc66254946ec86a2ec94ff9c8db96b05a364a94fAkira HatanakaS0 foo5(long double a0) { 42e9c876044b7fe9560128a41d511426c014bf5d3fAkira Hatanaka return foo6(1, 2, a0); 43cc66254946ec86a2ec94ff9c8db96b05a364a94fAkira Hatanaka} 44cc66254946ec86a2ec94ff9c8db96b05a364a94fAkira Hatanaka 454055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// Do not insert padding if ABI is O32. 464055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// 474055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// O32: define void @foo7(float %a0, double %a1) 484055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka// O32: declare void @foo8(float, double) 494055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka 504055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanakaextern void foo8(float, double); 514055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka 524055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanakavoid foo7(float a0, double a1) { 534055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka foo8(a0 + 1.0f, a1 + 2.0); 544055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka} 554055cfc46a5beb13d0daeace53ac3fe56a1f4ad1Akira Hatanaka 56