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llvm-mirror/test/CodeGen/PowerPC/byval.ll

36 lines
1.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -verify-machineinstrs < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512"
target triple = "powerpc64le-unknown-linux-gnu"
%struct = type { [4 x i32], [20 x i8] }
declare dso_local i32 @foo1(%struct* byval(%struct) %var)
declare dso_local void @foo(%struct* %var)
; FIXME: for the byval parameter %x, now the memory for local variable and
; for parameter save area are overlap.
; For the below case,
; the local variable space is r1 + 40 ~ r1 + 76
; the parameter save area is r1 + 32 ~ r1 + 68
define dso_local i32 @bar() {
; CHECK-LABEL: bar:
; CHECK: addi 30, 1, 40
; CHECK: li 3, 16
; CHECK: lxvd2x 0, 30, 3
; CHECK: li 3, 48
; CHECK: stxvd2x 0, 1, 3
; CHECK: li 3, 32
; CHECK: lxvd2x 0, 0, 30
; CHECK: stxvd2x 0, 1, 3
; CHECK: lwz 3, 72(1)
; CHECK: stw 3, 64(1)
entry:
%x = alloca %struct, align 4
call void @foo(%struct* %x)
%r = call i32 @foo1(%struct* byval(%struct) %x)
ret i32 %r
}