xref: /llvm-project/llvm/test/CodeGen/PowerPC/byval.ll (revision c65b4d64d4b09795fe237b62a4226121c5b13248)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs < %s | FileCheck %s
3
4target datalayout = "e-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512"
5target triple = "powerpc64le-unknown-linux-gnu"
6
7%struct = type { [4 x i32], [20 x i8] }
8
9declare dso_local i32 @foo1(ptr byval(%struct) %var)
10declare dso_local void @foo(ptr %var)
11
12; check that 36bytes byval parameter is passed all in registers.
13
14define dso_local i32 @bar() {
15; CHECK-LABEL: bar:
16; CHECK:       # %bb.0: # %entry
17; CHECK-NEXT:    mflr 0
18; CHECK-NEXT:    stdu 1, -80(1)
19; CHECK-NEXT:    std 0, 96(1)
20; CHECK-NEXT:    .cfi_def_cfa_offset 80
21; CHECK-NEXT:    .cfi_offset lr, 16
22; CHECK-NEXT:    addi 3, 1, 40
23; CHECK-NEXT:    bl foo
24; CHECK-NEXT:    nop
25; CHECK-NEXT:    lwz 7, 72(1)
26; CHECK-NEXT:    ld 6, 64(1)
27; CHECK-NEXT:    ld 5, 56(1)
28; CHECK-NEXT:    ld 4, 48(1)
29; CHECK-NEXT:    ld 3, 40(1)
30; CHECK-NEXT:    bl foo1
31; CHECK-NEXT:    nop
32; CHECK-NEXT:    addi 1, 1, 80
33; CHECK-NEXT:    ld 0, 16(1)
34; CHECK-NEXT:    mtlr 0
35; CHECK-NEXT:    blr
36entry:
37  %x = alloca %struct, align 8
38  call void @foo(ptr %x)
39  %r = call i32 @foo1(ptr byval(%struct) %x)
40  ret i32 %r
41}
42