; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; When we accept small parameters on Windows, make sure we do not assume they ; are zero or sign extended in memory or in registers. ; RUN: llc < %s -mtriple=x86_64-windows-msvc | FileCheck %s --check-prefix=WIN64 ; RUN: llc < %s -mtriple=x86_64-windows-gnu | FileCheck %s --check-prefix=WIN64 ; RUN: llc < %s -mtriple=i686-windows-msvc | FileCheck %s --check-prefix=WIN32-MSVC ; RUN: llc < %s -mtriple=i686-windows-gnu | FileCheck %s --check-prefix=WIN32-GNU define void @call() { ; WIN64-LABEL: call: ; WIN64: # %bb.0: # %entry ; WIN64-NEXT: subq $56, %rsp ; WIN64-NEXT: .seh_stackalloc 56 ; WIN64-NEXT: .seh_endprologue ; WIN64-NEXT: movw $6, {{[0-9]+}}(%rsp) ; WIN64-NEXT: movb $5, {{[0-9]+}}(%rsp) ; WIN64-NEXT: movb $1, %cl ; WIN64-NEXT: movw $2, %dx ; WIN64-NEXT: movb $3, %r8b ; WIN64-NEXT: movw $4, %r9w ; WIN64-NEXT: callq manyargs ; WIN64-NEXT: nop ; WIN64-NEXT: addq $56, %rsp ; WIN64-NEXT: retq ; WIN64-NEXT: .seh_endproc ; ; WIN32-MSVC-LABEL: call: ; WIN32-MSVC: # %bb.0: # %entry ; WIN32-MSVC-NEXT: pushl $6 ; WIN32-MSVC-NEXT: pushl $5 ; WIN32-MSVC-NEXT: pushl $4 ; WIN32-MSVC-NEXT: pushl $3 ; WIN32-MSVC-NEXT: pushl $2 ; WIN32-MSVC-NEXT: pushl $1 ; WIN32-MSVC-NEXT: calll _manyargs ; WIN32-MSVC-NEXT: addl $24, %esp ; WIN32-MSVC-NEXT: retl ; ; WIN32-GNU-LABEL: call: ; WIN32-GNU: # %bb.0: # %entry ; WIN32-GNU-NEXT: pushl $6 ; WIN32-GNU-NEXT: .cfi_adjust_cfa_offset 4 ; WIN32-GNU-NEXT: pushl $5 ; WIN32-GNU-NEXT: .cfi_adjust_cfa_offset 4 ; WIN32-GNU-NEXT: pushl $4 ; WIN32-GNU-NEXT: .cfi_adjust_cfa_offset 4 ; WIN32-GNU-NEXT: pushl $3 ; WIN32-GNU-NEXT: .cfi_adjust_cfa_offset 4 ; WIN32-GNU-NEXT: pushl $2 ; WIN32-GNU-NEXT: .cfi_adjust_cfa_offset 4 ; WIN32-GNU-NEXT: pushl $1 ; WIN32-GNU-NEXT: .cfi_adjust_cfa_offset 4 ; WIN32-GNU-NEXT: calll _manyargs ; WIN32-GNU-NEXT: addl $24, %esp ; WIN32-GNU-NEXT: .cfi_adjust_cfa_offset -24 ; WIN32-GNU-NEXT: retl entry: %rv = call i32 @manyargs(i8 1, i16 2, i8 3, i16 4, i8 5, i16 6) ret void } define i32 @manyargs(i8 %a, i16 %b, i8 %c, i16 %d, i8 %e, i16 %f) { ; WIN64-LABEL: manyargs: ; WIN64: # %bb.0: # %entry ; WIN64-NEXT: movzwl {{[0-9]+}}(%rsp), %r10d ; WIN64-NEXT: movzbl {{[0-9]+}}(%rsp), %r11d ; WIN64-NEXT: movsbl %cl, %eax ; WIN64-NEXT: movswl %dx, %ecx ; WIN64-NEXT: addl %eax, %ecx ; WIN64-NEXT: movzbl %r8b, %edx ; WIN64-NEXT: movzwl %r9w, %eax ; WIN64-NEXT: addl %edx, %eax ; WIN64-NEXT: addl %ecx, %eax ; WIN64-NEXT: addl %r11d, %eax ; WIN64-NEXT: addl %r10d, %eax ; WIN64-NEXT: retq ; ; WIN32-MSVC-LABEL: manyargs: ; WIN32-MSVC: # %bb.0: # %entry ; WIN32-MSVC-NEXT: pushl %esi ; WIN32-MSVC-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; WIN32-MSVC-NEXT: movzbl {{[0-9]+}}(%esp), %ecx ; WIN32-MSVC-NEXT: addl %eax, %ecx ; WIN32-MSVC-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; WIN32-MSVC-NEXT: movzbl {{[0-9]+}}(%esp), %edx ; WIN32-MSVC-NEXT: addl %eax, %edx ; WIN32-MSVC-NEXT: movswl {{[0-9]+}}(%esp), %esi ; WIN32-MSVC-NEXT: movsbl {{[0-9]+}}(%esp), %eax ; WIN32-MSVC-NEXT: addl %esi, %eax ; WIN32-MSVC-NEXT: addl %edx, %eax ; WIN32-MSVC-NEXT: addl %ecx, %eax ; WIN32-MSVC-NEXT: popl %esi ; WIN32-MSVC-NEXT: retl ; ; WIN32-GNU-LABEL: manyargs: ; WIN32-GNU: # %bb.0: # %entry ; WIN32-GNU-NEXT: pushl %esi ; WIN32-GNU-NEXT: .cfi_def_cfa_offset 8 ; WIN32-GNU-NEXT: .cfi_offset %esi, -8 ; WIN32-GNU-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; WIN32-GNU-NEXT: movzbl {{[0-9]+}}(%esp), %ecx ; WIN32-GNU-NEXT: addl %eax, %ecx ; WIN32-GNU-NEXT: movzwl {{[0-9]+}}(%esp), %eax ; WIN32-GNU-NEXT: movzbl {{[0-9]+}}(%esp), %edx ; WIN32-GNU-NEXT: addl %eax, %edx ; WIN32-GNU-NEXT: movswl {{[0-9]+}}(%esp), %esi ; WIN32-GNU-NEXT: movsbl {{[0-9]+}}(%esp), %eax ; WIN32-GNU-NEXT: addl %esi, %eax ; WIN32-GNU-NEXT: addl %edx, %eax ; WIN32-GNU-NEXT: addl %ecx, %eax ; WIN32-GNU-NEXT: popl %esi ; WIN32-GNU-NEXT: retl entry: %aa = sext i8 %a to i32 %bb = sext i16 %b to i32 %cc = zext i8 %c to i32 %dd = zext i16 %d to i32 %ee = zext i8 %e to i32 %ff = zext i16 %f to i32 %t0 = add i32 %aa, %bb %t1 = add i32 %t0, %cc %t2 = add i32 %t1, %dd %t3 = add i32 %t2, %ee %t4 = add i32 %t3, %ff ret i32 %t4 }