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llvm-project/llvm/test/CodeGen/X86/GlobalISel/callingconv.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=i386-linux-gnu -mattr=+sse2 -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=X32
; RUN: llc -mtriple=x86_64-linux-gnu -global-isel -verify-machineinstrs < %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=X64
define i32 @test_ret_i32() {
; X32-LABEL: test_ret_i32:
; X32: # %bb.0:
; X32-NEXT: movl $20, %eax
; X32-NEXT: retl
;
; X64-LABEL: test_ret_i32:
; X64: # %bb.0:
; X64-NEXT: movl $20, %eax
; X64-NEXT: retq
ret i32 20
}
define i64 @test_ret_i64() {
; X32-LABEL: test_ret_i64:
; X32: # %bb.0:
; X32-NEXT: movl $4294967295, %eax # imm = 0xFFFFFFFF
; X32-NEXT: movl $15, %edx
; X32-NEXT: retl
;
; X64-LABEL: test_ret_i64:
; X64: # %bb.0:
; X64-NEXT: movabsq $68719476735, %rax # imm = 0xFFFFFFFFF
; X64-NEXT: retq
ret i64 68719476735
}
define i8 @test_arg_i8(i8 %a) {
; X32-LABEL: test_arg_i8:
; X32: # %bb.0:
; X32-NEXT: movb {{[0-9]+}}(%esp), %al
; X32-NEXT: retl
;
; X64-LABEL: test_arg_i8:
; X64: # %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: # kill: def $al killed $al killed $eax
; X64-NEXT: retq
ret i8 %a
}
define i16 @test_arg_i16(i16 %a) {
; X32-LABEL: test_arg_i16:
; X32: # %bb.0:
; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
;
; X64-LABEL: test_arg_i16:
; X64: # %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: # kill: def $ax killed $ax killed $eax
; X64-NEXT: retq
ret i16 %a
}
define i32 @test_arg_i32(i32 %a) {
; X32-LABEL: test_arg_i32:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: retl
;
; X64-LABEL: test_arg_i32:
; X64: # %bb.0:
; X64-NEXT: movl %edi, %eax
; X64-NEXT: retq
ret i32 %a
}
define i64 @test_arg_i64(i64 %a) {
; X32-LABEL: test_arg_i64:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
; X32-NEXT: retl
;
; X64-LABEL: test_arg_i64:
; X64: # %bb.0:
; X64-NEXT: movq %rdi, %rax
; X64-NEXT: retq
ret i64 %a
}
define i64 @test_i64_args_8(i64 %arg1, i64 %arg2, i64 %arg3, i64 %arg4, i64 %arg5, i64 %arg6, i64 %arg7, i64 %arg8) {
; X32-LABEL: test_i64_args_8:
; X32: # %bb.0:
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %edx
; X32-NEXT: retl
;
; X64-LABEL: test_i64_args_8:
; X64: # %bb.0:
; X64-NEXT: movq {{[0-9]+}}(%rsp), %rax
; X64-NEXT: retq
ret i64 %arg8
}
define <4 x i32> @test_v4i32_args(<4 x i32> %arg1, <4 x i32> %arg2) {
; X32-LABEL: test_v4i32_args:
; X32: # %bb.0:
; X32-NEXT: movaps %xmm1, %xmm0
; X32-NEXT: retl
;
; X64-LABEL: test_v4i32_args:
; X64: # %bb.0:
; X64-NEXT: movaps %xmm1, %xmm0
; X64-NEXT: retq
ret <4 x i32> %arg2
}
define <8 x i32> @test_v8i32_args(<8 x i32> %arg1, <8 x i32> %arg2) {
; X32-LABEL: test_v8i32_args:
; X32: # %bb.0:
; X32-NEXT: subl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 16
; X32-NEXT: movaps %xmm2, %xmm0
; X32-NEXT: movups {{[0-9]+}}(%esp), %xmm1
; X32-NEXT: addl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_v8i32_args:
; X64: # %bb.0:
; X64-NEXT: movaps %xmm2, %xmm0
; X64-NEXT: movaps %xmm3, %xmm1
; X64-NEXT: retq
ret <8 x i32> %arg2
}
declare void @trivial_callee()
define void @test_trivial_call() {
; X32-LABEL: test_trivial_call:
; X32: # %bb.0:
; X32-NEXT: subl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 16
; X32-NEXT: calll trivial_callee
; X32-NEXT: addl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_trivial_call:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; X64-NEXT: .cfi_def_cfa_offset 16
; X64-NEXT: callq trivial_callee
; X64-NEXT: popq %rax
; X64-NEXT: .cfi_def_cfa_offset 8
; X64-NEXT: retq
call void @trivial_callee()
ret void
}
declare void @simple_arg_callee(i32 %in0, i32 %in1)
define void @test_simple_arg_call(i32 %in0, i32 %in1) {
; X32-LABEL: test_simple_arg_call:
; X32: # %bb.0:
; X32-NEXT: subl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 16
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movl %ecx, (%esp)
; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X32-NEXT: calll simple_arg_callee
; X32-NEXT: addl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_simple_arg_call:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; X64-NEXT: .cfi_def_cfa_offset 16
; X64-NEXT: movl %edi, %eax
; X64-NEXT: movl %esi, %edi
; X64-NEXT: movl %eax, %esi
; X64-NEXT: callq simple_arg_callee
; X64-NEXT: popq %rax
; X64-NEXT: .cfi_def_cfa_offset 8
; X64-NEXT: retq
call void @simple_arg_callee(i32 %in1, i32 %in0)
ret void
}
declare void @simple_arg8_callee(i32 %arg1, i32 %arg2, i32 %arg3, i32 %arg4, i32 %arg5, i32 %arg6, i32 %arg7, i32 %arg8)
define void @test_simple_arg8_call(i32 %in0) {
; X32-LABEL: test_simple_arg8_call:
; X32: # %bb.0:
; X32-NEXT: subl $44, %esp
; X32-NEXT: .cfi_def_cfa_offset 48
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl %eax, (%esp)
; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X32-NEXT: movl %eax, {{[0-9]+}}(%esp)
; X32-NEXT: calll simple_arg8_callee
; X32-NEXT: addl $44, %esp
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_simple_arg8_call:
; X64: # %bb.0:
; X64-NEXT: subq $24, %rsp
; X64-NEXT: .cfi_def_cfa_offset 32
; X64-NEXT: movl %edi, (%rsp)
; X64-NEXT: movl %edi, {{[0-9]+}}(%rsp)
; X64-NEXT: movl %edi, %esi
; X64-NEXT: movl %edi, %edx
; X64-NEXT: movl %edi, %ecx
; X64-NEXT: movl %edi, %r8d
; X64-NEXT: movl %edi, %r9d
; X64-NEXT: callq simple_arg8_callee
; X64-NEXT: addq $24, %rsp
; X64-NEXT: .cfi_def_cfa_offset 8
; X64-NEXT: retq
call void @simple_arg8_callee(i32 %in0, i32 %in0, i32 %in0, i32 %in0,i32 %in0, i32 %in0, i32 %in0, i32 %in0)
ret void
}
declare i32 @simple_return_callee(i32 %in0)
define i32 @test_simple_return_callee() {
; X32-LABEL: test_simple_return_callee:
; X32: # %bb.0:
; X32-NEXT: subl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 16
; X32-NEXT: movl $5, %eax
; X32-NEXT: movl %eax, (%esp)
; X32-NEXT: calll simple_return_callee
; X32-NEXT: addl %eax, %eax
; X32-NEXT: addl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_simple_return_callee:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; X64-NEXT: .cfi_def_cfa_offset 16
; X64-NEXT: movl $5, %edi
; X64-NEXT: callq simple_return_callee
; X64-NEXT: addl %eax, %eax
; X64-NEXT: popq %rcx
; X64-NEXT: .cfi_def_cfa_offset 8
; X64-NEXT: retq
%call = call i32 @simple_return_callee(i32 5)
%r = add i32 %call, %call
ret i32 %r
}
declare <8 x i32> @split_return_callee(<8 x i32> %in0)
define <8 x i32> @test_split_return_callee(<8 x i32> %arg1, <8 x i32> %arg2) {
; X32-LABEL: test_split_return_callee:
; X32: # %bb.0:
; X32-NEXT: subl $44, %esp
; X32-NEXT: .cfi_def_cfa_offset 48
; X32-NEXT: movaps %xmm0, (%esp) # 16-byte Spill
; X32-NEXT: movaps %xmm1, {{[0-9]+}}(%esp) # 16-byte Spill
; X32-NEXT: movdqa %xmm2, %xmm0
; X32-NEXT: movdqu {{[0-9]+}}(%esp), %xmm1
; X32-NEXT: calll split_return_callee
; X32-NEXT: paddd (%esp), %xmm0 # 16-byte Folded Reload
; X32-NEXT: paddd {{[0-9]+}}(%esp), %xmm1 # 16-byte Folded Reload
; X32-NEXT: addl $44, %esp
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_split_return_callee:
; X64: # %bb.0:
; X64-NEXT: subq $40, %rsp
; X64-NEXT: .cfi_def_cfa_offset 48
; X64-NEXT: movaps %xmm0, (%rsp) # 16-byte Spill
; X64-NEXT: movaps %xmm1, {{[0-9]+}}(%rsp) # 16-byte Spill
; X64-NEXT: movdqa %xmm2, %xmm0
; X64-NEXT: movdqa %xmm3, %xmm1
; X64-NEXT: callq split_return_callee
; X64-NEXT: paddd (%rsp), %xmm0 # 16-byte Folded Reload
; X64-NEXT: paddd {{[0-9]+}}(%rsp), %xmm1 # 16-byte Folded Reload
; X64-NEXT: addq $40, %rsp
; X64-NEXT: .cfi_def_cfa_offset 8
; X64-NEXT: retq
%call = call <8 x i32> @split_return_callee(<8 x i32> %arg2)
%r = add <8 x i32> %arg1, %call
ret <8 x i32> %r
}
define void @test_indirect_call(void()* %func) {
; X32-LABEL: test_indirect_call:
; X32: # %bb.0:
; X32-NEXT: subl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 16
; X32-NEXT: calll *{{[0-9]+}}(%esp)
; X32-NEXT: addl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_indirect_call:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; X64-NEXT: .cfi_def_cfa_offset 16
; X64-NEXT: callq *%rdi
; X64-NEXT: popq %rax
; X64-NEXT: .cfi_def_cfa_offset 8
; X64-NEXT: retq
call void %func()
ret void
}
declare void @take_char(i8)
define void @test_abi_exts_call(i8* %addr) {
; X32-LABEL: test_abi_exts_call:
; X32: # %bb.0:
; X32-NEXT: pushl %ebx
; X32-NEXT: .cfi_def_cfa_offset 8
; X32-NEXT: pushl %esi
; X32-NEXT: .cfi_def_cfa_offset 12
; X32-NEXT: pushl %eax
; X32-NEXT: .cfi_def_cfa_offset 16
; X32-NEXT: .cfi_offset %esi, -12
; X32-NEXT: .cfi_offset %ebx, -8
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movb (%eax), %bl
; X32-NEXT: movzbl %bl, %esi
; X32-NEXT: movl %esi, (%esp)
; X32-NEXT: calll take_char
; X32-NEXT: movsbl %bl, %eax
; X32-NEXT: movl %eax, (%esp)
; X32-NEXT: calll take_char
; X32-NEXT: movl %esi, (%esp)
; X32-NEXT: calll take_char
; X32-NEXT: addl $4, %esp
; X32-NEXT: .cfi_def_cfa_offset 12
; X32-NEXT: popl %esi
; X32-NEXT: .cfi_def_cfa_offset 8
; X32-NEXT: popl %ebx
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_abi_exts_call:
; X64: # %bb.0:
; X64-NEXT: pushq %rbx
; X64-NEXT: .cfi_def_cfa_offset 16
; X64-NEXT: .cfi_offset %rbx, -16
; X64-NEXT: movb (%rdi), %al
; X64-NEXT: movzbl %al, %ebx
; X64-NEXT: movl %ebx, %edi
; X64-NEXT: callq take_char
; X64-NEXT: movsbl %bl, %edi
; X64-NEXT: callq take_char
; X64-NEXT: movl %ebx, %edi
; X64-NEXT: callq take_char
; X64-NEXT: popq %rbx
; X64-NEXT: .cfi_def_cfa_offset 8
; X64-NEXT: retq
%val = load i8, i8* %addr
call void @take_char(i8 %val)
call void @take_char(i8 signext %val)
call void @take_char(i8 zeroext %val)
ret void
}
declare void @variadic_callee(i8*, ...)
define void @test_variadic_call_1(i8** %addr_ptr, i32* %val_ptr) {
; X32-LABEL: test_variadic_call_1:
; X32: # %bb.0:
; X32-NEXT: subl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 16
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movl (%eax), %eax
; X32-NEXT: movl (%ecx), %ecx
; X32-NEXT: movl %eax, (%esp)
; X32-NEXT: movl %ecx, {{[0-9]+}}(%esp)
; X32-NEXT: calll variadic_callee
; X32-NEXT: addl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_variadic_call_1:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; X64-NEXT: .cfi_def_cfa_offset 16
; X64-NEXT: movq (%rdi), %rdi
; X64-NEXT: movl (%rsi), %esi
; X64-NEXT: movb $0, %al
; X64-NEXT: callq variadic_callee
; X64-NEXT: popq %rax
; X64-NEXT: .cfi_def_cfa_offset 8
; X64-NEXT: retq
%addr = load i8*, i8** %addr_ptr
%val = load i32, i32* %val_ptr
call void (i8*, ...) @variadic_callee(i8* %addr, i32 %val)
ret void
}
define void @test_variadic_call_2(i8** %addr_ptr, double* %val_ptr) {
; X32-LABEL: test_variadic_call_2:
; X32: # %bb.0:
; X32-NEXT: subl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 16
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: movl {{[0-9]+}}(%esp), %ecx
; X32-NEXT: movl (%eax), %eax
; X32-NEXT: movl (%ecx), %edx
; X32-NEXT: movl 4(%ecx), %ecx
; X32-NEXT: movl %eax, (%esp)
; X32-NEXT: movl $4, %eax
; X32-NEXT: leal (%esp,%eax), %eax
; X32-NEXT: movl %edx, {{[0-9]+}}(%esp)
; X32-NEXT: movl %ecx, 4(%eax)
; X32-NEXT: calll variadic_callee
; X32-NEXT: addl $12, %esp
; X32-NEXT: .cfi_def_cfa_offset 4
; X32-NEXT: retl
;
; X64-LABEL: test_variadic_call_2:
; X64: # %bb.0:
; X64-NEXT: pushq %rax
; X64-NEXT: .cfi_def_cfa_offset 16
; X64-NEXT: movq (%rdi), %rdi
; X64-NEXT: movq (%rsi), %rax
; X64-NEXT: movq %rax, %xmm0
; X64-NEXT: movb $1, %al
; X64-NEXT: callq variadic_callee
; X64-NEXT: popq %rax
; X64-NEXT: .cfi_def_cfa_offset 8
; X64-NEXT: retq
%addr = load i8*, i8** %addr_ptr
%val = load double, double* %val_ptr
call void (i8*, ...) @variadic_callee(i8* %addr, double %val)
ret void
}
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