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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
declare i32 @external_function(i32)
define i32 @test_call_external(i32 %a) nounwind {
; RV32I-LABEL: test_call_external:
; RV32I: # BB#0:
; RV32I-NEXT: sw ra, 12(s0)
; RV32I-NEXT: lui a1, %hi(external_function)
; RV32I-NEXT: addi a1, a1, %lo(external_function)
; RV32I-NEXT: jalr ra, a1, 0
; RV32I-NEXT: lw ra, 12(s0)
; RV32I-NEXT: jalr zero, ra, 0
%1 = call i32 @external_function(i32 %a)
ret i32 %1
}
define i32 @defined_function(i32 %a) nounwind {
; RV32I-LABEL: defined_function:
; RV32I: # BB#0:
; RV32I-NEXT: addi a0, a0, 1
; RV32I-NEXT: jalr zero, ra, 0
%1 = add i32 %a, 1
ret i32 %1
}
define i32 @test_call_defined(i32 %a) nounwind {
; RV32I-LABEL: test_call_defined:
; RV32I: # BB#0:
; RV32I-NEXT: sw ra, 12(s0)
; RV32I-NEXT: lui a1, %hi(defined_function)
; RV32I-NEXT: addi a1, a1, %lo(defined_function)
; RV32I-NEXT: jalr ra, a1, 0
; RV32I-NEXT: lw ra, 12(s0)
; RV32I-NEXT: jalr zero, ra, 0
%1 = call i32 @defined_function(i32 %a) nounwind
ret i32 %1
}
define i32 @test_call_indirect(i32 (i32)* %a, i32 %b) nounwind {
; RV32I-LABEL: test_call_indirect:
; RV32I: # BB#0:
; RV32I-NEXT: sw ra, 12(s0)
; RV32I-NEXT: addi a2, a0, 0
; RV32I-NEXT: addi a0, a1, 0
; RV32I-NEXT: jalr ra, a2, 0
; RV32I-NEXT: lw ra, 12(s0)
; RV32I-NEXT: jalr zero, ra, 0
%1 = call i32 %a(i32 %b)
ret i32 %1
}
; Ensure that calls to fastcc functions aren't rejected. Such calls may be
; introduced when compiling with optimisation.
define fastcc i32 @fastcc_function(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: fastcc_function:
; RV32I: # BB#0:
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: jalr zero, ra, 0
%1 = add i32 %a, %b
ret i32 %1
}
define i32 @test_call_fastcc(i32 %a, i32 %b) nounwind {
; RV32I-LABEL: test_call_fastcc:
; RV32I: # BB#0:
; RV32I-NEXT: sw ra, 12(s0)
; RV32I-NEXT: sw s1, 8(s0)
; RV32I-NEXT: addi s1, a0, 0
; RV32I-NEXT: lui a0, %hi(fastcc_function)
; RV32I-NEXT: addi a2, a0, %lo(fastcc_function)
; RV32I-NEXT: addi a0, s1, 0
; RV32I-NEXT: jalr ra, a2, 0
; RV32I-NEXT: addi a0, s1, 0
; RV32I-NEXT: lw s1, 8(s0)
; RV32I-NEXT: lw ra, 12(s0)
; RV32I-NEXT: jalr zero, ra, 0
%1 = call fastcc i32 @fastcc_function(i32 %a, i32 %b)
ret i32 %a
}
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