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llvm-mirror/test/CodeGen/RISCV/calling-conv-sext-zext.ll
Shiva Chen 351fbaf236 [RISCV] Expand function call to "call" pseudoinstruction 
To do this:
1. Change GlobalAddress SDNode to TargetGlobalAddress to avoid legalizer
   split the symbol.

2. Change ExternalSymbol SDNode to TargetExternalSymbol to avoid legalizer
   split the symbol.

3. Let PseudoCALL match direct call with target operand TargetGlobalAddress
   and TargetExternalSymbol.

Differential Revision: https://reviews.llvm.org/D44885

llvm-svn: 330827
2018-04-25 14:19:12 +00:00

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9.4 KiB
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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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