byval.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
%struct.Foo = type { i32, i32, i32, i16, i8 }
@foo = global %struct.Foo { i32 1, i32 2, i32 3, i16 4, i8 5 }, align 4
define i32 @callee(%struct.Foo* byval %f) nounwind {
; RV32I-LABEL: callee:
; RV32I: # %bb.0: # %entry
; RV32I-NEXT: lw a0, 0(a0)
; RV32I-NEXT: ret
entry:
%0 = getelementptr inbounds %struct.Foo, %struct.Foo* %f, i32 0, i32 0
%1 = load i32, i32* %0, align 4
ret i32 %1
}
define void @caller() nounwind {
; RV32I-LABEL: caller:
; RV32I: # %bb.0: # %entry
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp)
; RV32I-NEXT: lui a0, %hi(foo)
; RV32I-NEXT: lw a1, %lo(foo)(a0)
; RV32I-NEXT: sw a1, 12(sp)
; RV32I-NEXT: addi a0, a0, %lo(foo)
; RV32I-NEXT: lw a1, 12(a0)
; RV32I-NEXT: sw a1, 24(sp)
; RV32I-NEXT: lw a1, 8(a0)
; RV32I-NEXT: sw a1, 20(sp)
; RV32I-NEXT: lw a0, 4(a0)
; RV32I-NEXT: sw a0, 16(sp)
; RV32I-NEXT: addi a0, sp, 12
; RV32I-NEXT: call callee
; RV32I-NEXT: lw ra, 28(sp)
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
entry:
%call = call i32 @callee(%struct.Foo* byval @foo)
ret void
}