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llvm-project/llvm/test/CodeGen/RISCV/calling-conv-sext-zext.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
define zeroext i8 @uint8_arg_to_uint8_ret(i8 zeroext %a) nounwind {
; RV32I-LABEL: uint8_arg_to_uint8_ret:
; RV32I: # %bb.0:
; RV32I-NEXT: ret
ret i8 %a
}
declare void @receive_uint8(i8 zeroext)
define void @pass_uint8_as_uint8(i8 zeroext %a) nounwind {
; RV32I-LABEL: pass_uint8_as_uint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call receive_uint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
call void @receive_uint8(i8 zeroext %a)
ret void
}
declare zeroext i8 @return_uint8()
define zeroext i8 @ret_callresult_uint8_as_uint8() nounwind {
; RV32I-LABEL: ret_callresult_uint8_as_uint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call return_uint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call zeroext i8 @return_uint8()
ret i8 %1
}
define signext i8 @uint8_arg_to_sint8_ret(i8 zeroext %a) nounwind {
; RV32I-LABEL: uint8_arg_to_sint8_ret:
; RV32I: # %bb.0:
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: srai a0, a0, 24
; RV32I-NEXT: ret
ret i8 %a
}
declare void @receive_sint8(i8 signext)
define void @pass_uint8_as_sint8(i8 zeroext %a) nounwind {
; RV32I-LABEL: pass_uint8_as_sint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: srai a0, a0, 24
; RV32I-NEXT: call receive_sint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
call void @receive_sint8(i8 signext %a)
ret void
}
define signext i8 @ret_callresult_uint8_as_sint8() nounwind {
; RV32I-LABEL: ret_callresult_uint8_as_sint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call return_uint8
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: srai a0, a0, 24
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call zeroext i8 @return_uint8()
ret i8 %1
}
define signext i32 @uint8_arg_to_anyint32_ret(i8 zeroext %a) nounwind {
; RV32I-LABEL: uint8_arg_to_anyint32_ret:
; RV32I: # %bb.0:
; RV32I-NEXT: ret
%1 = zext i8 %a to i32
ret i32 %1
}
declare void @receive_anyint32(i32 signext)
define void @pass_uint8_as_anyint32(i8 zeroext %a) nounwind {
; RV32I-LABEL: pass_uint8_as_anyint32:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call receive_anyint32
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = zext i8 %a to i32
call void @receive_anyint32(i32 signext %1)
ret void
}
define signext i32 @ret_callresult_uint8_as_anyint32() nounwind {
; RV32I-LABEL: ret_callresult_uint8_as_anyint32:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call return_uint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call zeroext i8 @return_uint8()
%2 = zext i8 %1 to i32
ret i32 %2
}
define zeroext i8 @sint8_arg_to_uint8_ret(i8 signext %a) nounwind {
; RV32I-LABEL: sint8_arg_to_uint8_ret:
; RV32I: # %bb.0:
; RV32I-NEXT: andi a0, a0, 255
; RV32I-NEXT: ret
ret i8 %a
}
define void @pass_sint8_as_uint8(i8 signext %a) nounwind {
; RV32I-LABEL: pass_sint8_as_uint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: andi a0, a0, 255
; RV32I-NEXT: call receive_uint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
call void @receive_uint8(i8 zeroext %a)
ret void
}
declare signext i8 @return_sint8()
define zeroext i8 @ret_callresult_sint8_as_uint8() nounwind {
; RV32I-LABEL: ret_callresult_sint8_as_uint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call return_sint8
; RV32I-NEXT: andi a0, a0, 255
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call signext i8 @return_sint8()
ret i8 %1
}
define signext i8 @sint8_arg_to_sint8_ret(i8 signext %a) nounwind {
; RV32I-LABEL: sint8_arg_to_sint8_ret:
; RV32I: # %bb.0:
; RV32I-NEXT: ret
ret i8 %a
}
define void @pass_sint8_as_sint8(i8 signext %a) nounwind {
; RV32I-LABEL: pass_sint8_as_sint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call receive_sint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
call void @receive_sint8(i8 signext %a)
ret void
}
define signext i8 @ret_callresult_sint8_as_sint8() nounwind {
; RV32I-LABEL: ret_callresult_sint8_as_sint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call return_sint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call signext i8 @return_sint8()
ret i8 %1
}
define signext i32 @sint8_arg_to_anyint32_ret(i8 signext %a) nounwind {
; RV32I-LABEL: sint8_arg_to_anyint32_ret:
; RV32I: # %bb.0:
; RV32I-NEXT: ret
%1 = sext i8 %a to i32
ret i32 %1
}
define void @pass_sint8_as_anyint32(i8 signext %a) nounwind {
; RV32I-LABEL: pass_sint8_as_anyint32:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call receive_anyint32
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = sext i8 %a to i32
call void @receive_anyint32(i32 signext %1)
ret void
}
define signext i32 @ret_callresult_sint8_as_anyint32() nounwind {
; RV32I-LABEL: ret_callresult_sint8_as_anyint32:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call return_sint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call signext i8 @return_sint8()
%2 = sext i8 %1 to i32
ret i32 %2
}
define zeroext i8 @anyint32_arg_to_uint8_ret(i32 signext %a) nounwind {
; RV32I-LABEL: anyint32_arg_to_uint8_ret:
; RV32I: # %bb.0:
; RV32I-NEXT: andi a0, a0, 255
; RV32I-NEXT: ret
%1 = trunc i32 %a to i8
ret i8 %1
}
define void @pass_anyint32_as_uint8(i32 signext %a) nounwind {
; RV32I-LABEL: pass_anyint32_as_uint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: andi a0, a0, 255
; RV32I-NEXT: call receive_uint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = trunc i32 %a to i8
call void @receive_uint8(i8 zeroext %1)
ret void
}
declare signext i32 @return_anyint32()
define zeroext i8 @ret_callresult_anyint32_as_uint8() nounwind {
; RV32I-LABEL: ret_callresult_anyint32_as_uint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call return_anyint32
; RV32I-NEXT: andi a0, a0, 255
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call signext i32 @return_anyint32()
%2 = trunc i32 %1 to i8
ret i8 %2
}
define signext i8 @anyint32_arg_to_sint8_ret(i32 signext %a) nounwind {
; RV32I-LABEL: anyint32_arg_to_sint8_ret:
; RV32I: # %bb.0:
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: srai a0, a0, 24
; RV32I-NEXT: ret
%1 = trunc i32 %a to i8
ret i8 %1
}
define void @pass_anyint32_as_sint8(i32 signext %a) nounwind {
; RV32I-LABEL: pass_anyint32_as_sint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: srai a0, a0, 24
; RV32I-NEXT: call receive_sint8
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = trunc i32 %a to i8
call void @receive_sint8(i8 signext %1)
ret void
}
define signext i8 @ret_callresult_anyint32_as_sint8() nounwind {
; RV32I-LABEL: ret_callresult_anyint32_as_sint8:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call return_anyint32
; RV32I-NEXT: slli a0, a0, 24
; RV32I-NEXT: srai a0, a0, 24
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call signext i32 @return_anyint32()
%2 = trunc i32 %1 to i8
ret i8 %2
}
define signext i32 @anyint32_arg_to_anyint32_ret(i32 signext %a) nounwind {
; RV32I-LABEL: anyint32_arg_to_anyint32_ret:
; RV32I: # %bb.0:
; RV32I-NEXT: ret
ret i32 %a
}
define void @pass_anyint32_as_anyint32(i32 signext %a) nounwind {
; RV32I-LABEL: pass_anyint32_as_anyint32:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call receive_anyint32
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
call void @receive_anyint32(i32 signext %a)
ret void
}
define signext i32 @ret_callresult_anyint32_as_anyint32() nounwind {
; RV32I-LABEL: ret_callresult_anyint32_as_anyint32:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -16
; RV32I-NEXT: sw ra, 12(sp)
; RV32I-NEXT: call return_anyint32
; RV32I-NEXT: lw ra, 12(sp)
; RV32I-NEXT: addi sp, sp, 16
; RV32I-NEXT: ret
%1 = call signext i32 @return_anyint32()
ret i32 %1
}
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