xref: /aosp_15_r20/external/llvm/test/CodeGen/AArch64/arm64-aapcs-be.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)

; RUN: llc -mtriple=aarch64_be-none-eabi -fast-isel=false < %s | FileCheck %s
; RUN: llc -mtriple=aarch64_be-none-eabi -fast-isel=true < %s | FileCheck %s

; Check narrow argument passing via stack - callee end
define i32 @test_narrow_args_callee(i64 %x0, i64 %x1, i64 %x2, i64 %x3, i64 %x4, i64 %x5, i64 %x6, i64 %x7, i8 %c, i16 %s) #0 {
entry:
  %conv = zext i8 %c to i32
  %conv1 = sext i16 %s to i32
  %add = add nsw i32 %conv1, %conv
; CHECK-LABEL: test_narrow_args_callee:
; CHECK-DAG: ldrb w{{[0-9]}}, [sp, #7]
; CHECK-DAG: ldr{{s?}}h w{{[0-9]}}, [sp, #14]
  ret i32 %add
}

; Check narrow argument passing via stack - caller end
define i32 @test_narrow_args_caller() #0 {
entry:
  %call = tail call i32 @test_narrow_args_callee(i64 undef, i64 undef, i64 undef, i64 undef, i64 undef, i64 undef, i64 undef, i64 undef, i8 8, i16 9)
; CHECK-LABEL: test_narrow_args_caller:
; CHECK-DAG: strh w{{[0-9]}}, [sp, #14]
; CHECK-DAG: strb w{{[0-9]}}, [sp, #7]
  ret i32 %call
}

define float @test_block_addr([8 x float], [1 x float] %in) {
; CHECK-LABEL: test_block_addr:
; CHECK: ldr s0, [sp]
  %val = extractvalue [1 x float] %in, 0
  ret float %val
}

define void @test_block_addr_callee() {
; CHECK-LABEL: test_block_addr_callee:
; CHECK: sub sp, sp, #32
; CHECK: str {{[a-z0-9]+}}, [sp, #16]
; CHECK: bl test_block_addr
  %val = insertvalue [1 x float] undef, float 0.0, 0
  call float @test_block_addr([8 x float] undef, [1 x float] %val)
  ret void
}