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1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 42; RUN: llc -mtriple=aarch64-unknown-unknown < %s | FileCheck --check-prefixes=CHECK %s3; RUN: llc -mtriple=aarch64-apple-darwin < %s | FileCheck --check-prefixes=DARWIN %s4; RUN: llc -mtriple=aarch64-pc-windows < %s | FileCheck --check-prefixes=WIN %s5 6; This test checks various function call behaviors between preserve_none and7; normal calling conventions.8 9declare preserve_nonecc void @callee(ptr)10 11; Normal caller calls preserve_none callee. Will not generated tail call because12; of incompatible calling convention. Callee saved registers are saved/restored13; around the call.14define void @caller1(ptr %a) {15; CHECK-LABEL: caller1:16; CHECK: // %bb.0:17; CHECK-NEXT: stp d15, d14, [sp, #-160]! // 16-byte Folded Spill18; CHECK-NEXT: stp d13, d12, [sp, #16] // 16-byte Folded Spill19; CHECK-NEXT: stp d11, d10, [sp, #32] // 16-byte Folded Spill20; CHECK-NEXT: stp d9, d8, [sp, #48] // 16-byte Folded Spill21; CHECK-NEXT: str x30, [sp, #64] // 8-byte Spill22; CHECK-NEXT: stp x28, x27, [sp, #80] // 16-byte Folded Spill23; CHECK-NEXT: stp x26, x25, [sp, #96] // 16-byte Folded Spill24; CHECK-NEXT: stp x24, x23, [sp, #112] // 16-byte Folded Spill25; CHECK-NEXT: stp x22, x21, [sp, #128] // 16-byte Folded Spill26; CHECK-NEXT: stp x20, x19, [sp, #144] // 16-byte Folded Spill27; CHECK-NEXT: .cfi_def_cfa_offset 16028; CHECK-NEXT: .cfi_offset w19, -829; CHECK-NEXT: .cfi_offset w20, -1630; CHECK-NEXT: .cfi_offset w21, -2431; CHECK-NEXT: .cfi_offset w22, -3232; CHECK-NEXT: .cfi_offset w23, -4033; CHECK-NEXT: .cfi_offset w24, -4834; CHECK-NEXT: .cfi_offset w25, -5635; CHECK-NEXT: .cfi_offset w26, -6436; CHECK-NEXT: .cfi_offset w27, -7237; CHECK-NEXT: .cfi_offset w28, -8038; CHECK-NEXT: .cfi_offset w30, -9639; CHECK-NEXT: .cfi_offset b8, -10440; CHECK-NEXT: .cfi_offset b9, -11241; CHECK-NEXT: .cfi_offset b10, -12042; CHECK-NEXT: .cfi_offset b11, -12843; CHECK-NEXT: .cfi_offset b12, -13644; CHECK-NEXT: .cfi_offset b13, -14445; CHECK-NEXT: .cfi_offset b14, -15246; CHECK-NEXT: .cfi_offset b15, -16047; CHECK-NEXT: mov x20, x048; CHECK-NEXT: bl callee49; CHECK-NEXT: ldp x20, x19, [sp, #144] // 16-byte Folded Reload50; CHECK-NEXT: ldr x30, [sp, #64] // 8-byte Reload51; CHECK-NEXT: ldp x22, x21, [sp, #128] // 16-byte Folded Reload52; CHECK-NEXT: ldp x24, x23, [sp, #112] // 16-byte Folded Reload53; CHECK-NEXT: ldp x26, x25, [sp, #96] // 16-byte Folded Reload54; CHECK-NEXT: ldp x28, x27, [sp, #80] // 16-byte Folded Reload55; CHECK-NEXT: ldp d9, d8, [sp, #48] // 16-byte Folded Reload56; CHECK-NEXT: ldp d11, d10, [sp, #32] // 16-byte Folded Reload57; CHECK-NEXT: ldp d13, d12, [sp, #16] // 16-byte Folded Reload58; CHECK-NEXT: ldp d15, d14, [sp], #160 // 16-byte Folded Reload59; CHECK-NEXT: ret60;61; DARWIN-LABEL: caller1:62; DARWIN: ; %bb.0:63; DARWIN-NEXT: stp d15, d14, [sp, #-160]! ; 16-byte Folded Spill64; DARWIN-NEXT: stp d13, d12, [sp, #16] ; 16-byte Folded Spill65; DARWIN-NEXT: stp d11, d10, [sp, #32] ; 16-byte Folded Spill66; DARWIN-NEXT: stp d9, d8, [sp, #48] ; 16-byte Folded Spill67; DARWIN-NEXT: stp x28, x27, [sp, #64] ; 16-byte Folded Spill68; DARWIN-NEXT: stp x26, x25, [sp, #80] ; 16-byte Folded Spill69; DARWIN-NEXT: stp x24, x23, [sp, #96] ; 16-byte Folded Spill70; DARWIN-NEXT: stp x22, x21, [sp, #112] ; 16-byte Folded Spill71; DARWIN-NEXT: stp x20, x19, [sp, #128] ; 16-byte Folded Spill72; DARWIN-NEXT: stp x29, x30, [sp, #144] ; 16-byte Folded Spill73; DARWIN-NEXT: .cfi_def_cfa_offset 16074; DARWIN-NEXT: .cfi_offset w30, -875; DARWIN-NEXT: .cfi_offset w29, -1676; DARWIN-NEXT: .cfi_offset w19, -2477; DARWIN-NEXT: .cfi_offset w20, -3278; DARWIN-NEXT: .cfi_offset w21, -4079; DARWIN-NEXT: .cfi_offset w22, -4880; DARWIN-NEXT: .cfi_offset w23, -5681; DARWIN-NEXT: .cfi_offset w24, -6482; DARWIN-NEXT: .cfi_offset w25, -7283; DARWIN-NEXT: .cfi_offset w26, -8084; DARWIN-NEXT: .cfi_offset w27, -8885; DARWIN-NEXT: .cfi_offset w28, -9686; DARWIN-NEXT: .cfi_offset b8, -10487; DARWIN-NEXT: .cfi_offset b9, -11288; DARWIN-NEXT: .cfi_offset b10, -12089; DARWIN-NEXT: .cfi_offset b11, -12890; DARWIN-NEXT: .cfi_offset b12, -13691; DARWIN-NEXT: .cfi_offset b13, -14492; DARWIN-NEXT: .cfi_offset b14, -15293; DARWIN-NEXT: .cfi_offset b15, -16094; DARWIN-NEXT: mov x20, x095; DARWIN-NEXT: bl _callee96; DARWIN-NEXT: ldp x29, x30, [sp, #144] ; 16-byte Folded Reload97; DARWIN-NEXT: ldp x20, x19, [sp, #128] ; 16-byte Folded Reload98; DARWIN-NEXT: ldp x22, x21, [sp, #112] ; 16-byte Folded Reload99; DARWIN-NEXT: ldp x24, x23, [sp, #96] ; 16-byte Folded Reload100; DARWIN-NEXT: ldp x26, x25, [sp, #80] ; 16-byte Folded Reload101; DARWIN-NEXT: ldp x28, x27, [sp, #64] ; 16-byte Folded Reload102; DARWIN-NEXT: ldp d9, d8, [sp, #48] ; 16-byte Folded Reload103; DARWIN-NEXT: ldp d11, d10, [sp, #32] ; 16-byte Folded Reload104; DARWIN-NEXT: ldp d13, d12, [sp, #16] ; 16-byte Folded Reload105; DARWIN-NEXT: ldp d15, d14, [sp], #160 ; 16-byte Folded Reload106; DARWIN-NEXT: ret107;108; WIN-LABEL: caller1:109; WIN: .seh_proc caller1110; WIN-NEXT: // %bb.0:111; WIN-NEXT: stp x19, x20, [sp, #-160]! // 16-byte Folded Spill112; WIN-NEXT: .seh_save_regp_x x19, 160113; WIN-NEXT: stp x21, x22, [sp, #16] // 16-byte Folded Spill114; WIN-NEXT: .seh_save_regp x21, 16115; WIN-NEXT: stp x23, x24, [sp, #32] // 16-byte Folded Spill116; WIN-NEXT: .seh_save_regp x23, 32117; WIN-NEXT: stp x25, x26, [sp, #48] // 16-byte Folded Spill118; WIN-NEXT: .seh_save_regp x25, 48119; WIN-NEXT: stp x27, x28, [sp, #64] // 16-byte Folded Spill120; WIN-NEXT: .seh_save_regp x27, 64121; WIN-NEXT: str x30, [sp, #80] // 8-byte Spill122; WIN-NEXT: .seh_save_reg x30, 80123; WIN-NEXT: stp d8, d9, [sp, #88] // 16-byte Folded Spill124; WIN-NEXT: .seh_save_fregp d8, 88125; WIN-NEXT: stp d10, d11, [sp, #104] // 16-byte Folded Spill126; WIN-NEXT: .seh_save_fregp d10, 104127; WIN-NEXT: stp d12, d13, [sp, #120] // 16-byte Folded Spill128; WIN-NEXT: .seh_save_fregp d12, 120129; WIN-NEXT: stp d14, d15, [sp, #136] // 16-byte Folded Spill130; WIN-NEXT: .seh_save_fregp d14, 136131; WIN-NEXT: .seh_endprologue132; WIN-NEXT: mov x20, x0133; WIN-NEXT: bl callee134; WIN-NEXT: .seh_startepilogue135; WIN-NEXT: ldp d14, d15, [sp, #136] // 16-byte Folded Reload136; WIN-NEXT: .seh_save_fregp d14, 136137; WIN-NEXT: ldp d12, d13, [sp, #120] // 16-byte Folded Reload138; WIN-NEXT: .seh_save_fregp d12, 120139; WIN-NEXT: ldp d10, d11, [sp, #104] // 16-byte Folded Reload140; WIN-NEXT: .seh_save_fregp d10, 104141; WIN-NEXT: ldp d8, d9, [sp, #88] // 16-byte Folded Reload142; WIN-NEXT: .seh_save_fregp d8, 88143; WIN-NEXT: ldr x30, [sp, #80] // 8-byte Reload144; WIN-NEXT: .seh_save_reg x30, 80145; WIN-NEXT: ldp x27, x28, [sp, #64] // 16-byte Folded Reload146; WIN-NEXT: .seh_save_regp x27, 64147; WIN-NEXT: ldp x25, x26, [sp, #48] // 16-byte Folded Reload148; WIN-NEXT: .seh_save_regp x25, 48149; WIN-NEXT: ldp x23, x24, [sp, #32] // 16-byte Folded Reload150; WIN-NEXT: .seh_save_regp x23, 32151; WIN-NEXT: ldp x21, x22, [sp, #16] // 16-byte Folded Reload152; WIN-NEXT: .seh_save_regp x21, 16153; WIN-NEXT: ldp x19, x20, [sp], #160 // 16-byte Folded Reload154; WIN-NEXT: .seh_save_regp_x x19, 160155; WIN-NEXT: .seh_endepilogue156; WIN-NEXT: ret157; WIN-NEXT: .seh_endfunclet158; WIN-NEXT: .seh_endproc159 tail call preserve_nonecc void @callee(ptr %a)160 ret void161}162 163; Preserve_none caller calls preserve_none callee. Same function body.164; The tail call is preserved. No registers are saved/restored around the call.165; Actually a simple jmp instruction is generated.166define preserve_nonecc void @caller2(ptr %a) {167; CHECK-LABEL: caller2:168; CHECK: // %bb.0:169; CHECK-NEXT: b callee170;171; DARWIN-LABEL: caller2:172; DARWIN: ; %bb.0:173; DARWIN-NEXT: b _callee174;175; WIN-LABEL: caller2:176; WIN: // %bb.0:177; WIN-NEXT: b callee178 tail call preserve_nonecc void @callee(ptr %a)179 ret void180}181 182; Preserve_none function can use more registers to pass parameters.183declare preserve_nonecc i64 @callee_with_many_param2(i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, i64 %a7, i64 %a8, i64 %a9, i64 %a10, i64 %a11, i64 %a12, i64 %a13, i64 %a14, i64 %a15, i64 %a16, i64 %a17, i64 %a18, i64 %a19, i64 %a20, i64 %a21, i64 %a22, i64 %a23, i64 %a24)184define preserve_nonecc i64 @callee_with_many_param(i64 %a1, i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, i64 %a7, i64 %a8, i64 %a9, i64 %a10, i64 %a11, i64 %a12, i64 %a13, i64 %a14, i64 %a15, i64 %a16, i64 %a17, i64 %a18, i64 %a19, i64 %a20, i64 %a21, i64 %a22, i64 %a23, i64 %a24) {185; CHECK-LABEL: callee_with_many_param:186; CHECK: // %bb.0:187; CHECK-NEXT: str x30, [sp, #-16]! // 8-byte Folded Spill188; CHECK-NEXT: .cfi_def_cfa_offset 16189; CHECK-NEXT: .cfi_offset w30, -16190; CHECK-NEXT: mov x8, x15191; CHECK-NEXT: mov x15, x20192; CHECK-NEXT: mov x20, x21193; CHECK-NEXT: mov x21, x22194; CHECK-NEXT: mov x22, x23195; CHECK-NEXT: mov x23, x24196; CHECK-NEXT: mov x24, x25197; CHECK-NEXT: mov x25, x26198; CHECK-NEXT: mov x26, x27199; CHECK-NEXT: mov x27, x28200; CHECK-NEXT: mov x28, x0201; CHECK-NEXT: mov x0, x1202; CHECK-NEXT: mov x1, x2203; CHECK-NEXT: mov x2, x3204; CHECK-NEXT: mov x3, x4205; CHECK-NEXT: mov x4, x5206; CHECK-NEXT: mov x5, x6207; CHECK-NEXT: mov x6, x7208; CHECK-NEXT: mov x7, x10209; CHECK-NEXT: mov x10, x11210; CHECK-NEXT: mov x11, x12211; CHECK-NEXT: mov x12, x13212; CHECK-NEXT: mov x13, x14213; CHECK-NEXT: mov x14, x9214; CHECK-NEXT: mov x9, x8215; CHECK-NEXT: bl callee_with_many_param2216; CHECK-NEXT: ldr x30, [sp], #16 // 8-byte Folded Reload217; CHECK-NEXT: ret218;219; DARWIN-LABEL: callee_with_many_param:220; DARWIN: ; %bb.0:221; DARWIN-NEXT: stp x29, x30, [sp, #-16]! ; 16-byte Folded Spill222; DARWIN-NEXT: .cfi_def_cfa_offset 16223; DARWIN-NEXT: .cfi_offset w30, -8224; DARWIN-NEXT: .cfi_offset w29, -16225; DARWIN-NEXT: mov x8, x15226; DARWIN-NEXT: mov x15, x20227; DARWIN-NEXT: mov x20, x21228; DARWIN-NEXT: mov x21, x22229; DARWIN-NEXT: mov x22, x23230; DARWIN-NEXT: mov x23, x24231; DARWIN-NEXT: mov x24, x25232; DARWIN-NEXT: mov x25, x26233; DARWIN-NEXT: mov x26, x27234; DARWIN-NEXT: mov x27, x28235; DARWIN-NEXT: mov x28, x0236; DARWIN-NEXT: mov x0, x1237; DARWIN-NEXT: mov x1, x2238; DARWIN-NEXT: mov x2, x3239; DARWIN-NEXT: mov x3, x4240; DARWIN-NEXT: mov x4, x5241; DARWIN-NEXT: mov x5, x6242; DARWIN-NEXT: mov x6, x7243; DARWIN-NEXT: mov x7, x10244; DARWIN-NEXT: mov x10, x11245; DARWIN-NEXT: mov x11, x12246; DARWIN-NEXT: mov x12, x13247; DARWIN-NEXT: mov x13, x14248; DARWIN-NEXT: mov x14, x9249; DARWIN-NEXT: mov x9, x8250; DARWIN-NEXT: bl _callee_with_many_param2251; DARWIN-NEXT: ldp x29, x30, [sp], #16 ; 16-byte Folded Reload252; DARWIN-NEXT: ret253;254; WIN-LABEL: callee_with_many_param:255; WIN: .seh_proc callee_with_many_param256; WIN-NEXT: // %bb.0:257; WIN-NEXT: sub sp, sp, #32258; WIN-NEXT: .seh_stackalloc 32259; WIN-NEXT: str x30, [sp, #16] // 8-byte Spill260; WIN-NEXT: .seh_save_reg x30, 16261; WIN-NEXT: .seh_endprologue262; WIN-NEXT: ldr x8, [sp, #32]263; WIN-NEXT: mov x15, x20264; WIN-NEXT: mov x20, x21265; WIN-NEXT: mov x21, x22266; WIN-NEXT: mov x22, x23267; WIN-NEXT: mov x23, x24268; WIN-NEXT: mov x24, x25269; WIN-NEXT: mov x25, x26270; WIN-NEXT: mov x26, x27271; WIN-NEXT: mov x27, x28272; WIN-NEXT: mov x28, x0273; WIN-NEXT: mov x0, x1274; WIN-NEXT: mov x1, x2275; WIN-NEXT: mov x2, x3276; WIN-NEXT: mov x3, x4277; WIN-NEXT: mov x4, x5278; WIN-NEXT: mov x5, x6279; WIN-NEXT: mov x6, x7280; WIN-NEXT: mov x7, x10281; WIN-NEXT: mov x10, x11282; WIN-NEXT: mov x11, x12283; WIN-NEXT: mov x12, x13284; WIN-NEXT: mov x13, x14285; WIN-NEXT: mov x14, x9286; WIN-NEXT: mov x9, x8287; WIN-NEXT: str x15, [sp]288; WIN-NEXT: bl callee_with_many_param2289; WIN-NEXT: .seh_startepilogue290; WIN-NEXT: ldr x30, [sp, #16] // 8-byte Reload291; WIN-NEXT: .seh_save_reg x30, 16292; WIN-NEXT: add sp, sp, #32293; WIN-NEXT: .seh_stackalloc 32294; WIN-NEXT: .seh_endepilogue295; WIN-NEXT: ret296; WIN-NEXT: .seh_endfunclet297; WIN-NEXT: .seh_endproc298 %ret = call preserve_nonecc i64 @callee_with_many_param2(i64 %a2, i64 %a3, i64 %a4, i64 %a5, i64 %a6, i64 %a7, i64 %a8, i64 %a9, i64 %a10, i64 %a11, i64 %a12, i64 %a13, i64 %a14, i64 %a15, i64 %a16, i64 %a17, i64 %a18, i64 %a19, i64 %a20, i64 %a21, i64 %a22, i64 %a23, i64 %a24, i64 %a1)299 ret i64 %ret300}301 302define i64 @caller3() {303; CHECK-LABEL: caller3:304; CHECK: // %bb.0:305; CHECK-NEXT: stp d15, d14, [sp, #-160]! // 16-byte Folded Spill306; CHECK-NEXT: stp d13, d12, [sp, #16] // 16-byte Folded Spill307; CHECK-NEXT: stp d11, d10, [sp, #32] // 16-byte Folded Spill308; CHECK-NEXT: stp d9, d8, [sp, #48] // 16-byte Folded Spill309; CHECK-NEXT: str x30, [sp, #64] // 8-byte Spill310; CHECK-NEXT: stp x28, x27, [sp, #80] // 16-byte Folded Spill311; CHECK-NEXT: stp x26, x25, [sp, #96] // 16-byte Folded Spill312; CHECK-NEXT: stp x24, x23, [sp, #112] // 16-byte Folded Spill313; CHECK-NEXT: stp x22, x21, [sp, #128] // 16-byte Folded Spill314; CHECK-NEXT: stp x20, x19, [sp, #144] // 16-byte Folded Spill315; CHECK-NEXT: .cfi_def_cfa_offset 160316; CHECK-NEXT: .cfi_offset w19, -8317; CHECK-NEXT: .cfi_offset w20, -16318; CHECK-NEXT: .cfi_offset w21, -24319; CHECK-NEXT: .cfi_offset w22, -32320; CHECK-NEXT: .cfi_offset w23, -40321; CHECK-NEXT: .cfi_offset w24, -48322; CHECK-NEXT: .cfi_offset w25, -56323; CHECK-NEXT: .cfi_offset w26, -64324; CHECK-NEXT: .cfi_offset w27, -72325; CHECK-NEXT: .cfi_offset w28, -80326; CHECK-NEXT: .cfi_offset w30, -96327; CHECK-NEXT: .cfi_offset b8, -104328; CHECK-NEXT: .cfi_offset b9, -112329; CHECK-NEXT: .cfi_offset b10, -120330; CHECK-NEXT: .cfi_offset b11, -128331; CHECK-NEXT: .cfi_offset b12, -136332; CHECK-NEXT: .cfi_offset b13, -144333; CHECK-NEXT: .cfi_offset b14, -152334; CHECK-NEXT: .cfi_offset b15, -160335; CHECK-NEXT: mov w20, #1 // =0x1336; CHECK-NEXT: mov w21, #2 // =0x2337; CHECK-NEXT: mov w22, #3 // =0x3338; CHECK-NEXT: mov w23, #4 // =0x4339; CHECK-NEXT: mov w24, #5 // =0x5340; CHECK-NEXT: mov w25, #6 // =0x6341; CHECK-NEXT: mov w26, #7 // =0x7342; CHECK-NEXT: mov w27, #8 // =0x8343; CHECK-NEXT: mov w28, #9 // =0x9344; CHECK-NEXT: mov w0, #10 // =0xa345; CHECK-NEXT: mov w1, #11 // =0xb346; CHECK-NEXT: mov w2, #12 // =0xc347; CHECK-NEXT: mov w3, #13 // =0xd348; CHECK-NEXT: mov w4, #14 // =0xe349; CHECK-NEXT: mov w5, #15 // =0xf350; CHECK-NEXT: mov w6, #16 // =0x10351; CHECK-NEXT: mov w7, #17 // =0x11352; CHECK-NEXT: mov w10, #18 // =0x12353; CHECK-NEXT: mov w11, #19 // =0x13354; CHECK-NEXT: mov w12, #20 // =0x14355; CHECK-NEXT: mov w13, #21 // =0x15356; CHECK-NEXT: mov w14, #22 // =0x16357; CHECK-NEXT: mov w9, #23 // =0x17358; CHECK-NEXT: mov w15, #24 // =0x18359; CHECK-NEXT: bl callee_with_many_param360; CHECK-NEXT: ldp x20, x19, [sp, #144] // 16-byte Folded Reload361; CHECK-NEXT: ldr x30, [sp, #64] // 8-byte Reload362; CHECK-NEXT: ldp x22, x21, [sp, #128] // 16-byte Folded Reload363; CHECK-NEXT: ldp x24, x23, [sp, #112] // 16-byte Folded Reload364; CHECK-NEXT: ldp x26, x25, [sp, #96] // 16-byte Folded Reload365; CHECK-NEXT: ldp x28, x27, [sp, #80] // 16-byte Folded Reload366; CHECK-NEXT: ldp d9, d8, [sp, #48] // 16-byte Folded Reload367; CHECK-NEXT: ldp d11, d10, [sp, #32] // 16-byte Folded Reload368; CHECK-NEXT: ldp d13, d12, [sp, #16] // 16-byte Folded Reload369; CHECK-NEXT: ldp d15, d14, [sp], #160 // 16-byte Folded Reload370; CHECK-NEXT: ret371;372; DARWIN-LABEL: caller3:373; DARWIN: ; %bb.0:374; DARWIN-NEXT: stp d15, d14, [sp, #-160]! ; 16-byte Folded Spill375; DARWIN-NEXT: stp d13, d12, [sp, #16] ; 16-byte Folded Spill376; DARWIN-NEXT: stp d11, d10, [sp, #32] ; 16-byte Folded Spill377; DARWIN-NEXT: stp d9, d8, [sp, #48] ; 16-byte Folded Spill378; DARWIN-NEXT: stp x28, x27, [sp, #64] ; 16-byte Folded Spill379; DARWIN-NEXT: stp x26, x25, [sp, #80] ; 16-byte Folded Spill380; DARWIN-NEXT: stp x24, x23, [sp, #96] ; 16-byte Folded Spill381; DARWIN-NEXT: stp x22, x21, [sp, #112] ; 16-byte Folded Spill382; DARWIN-NEXT: stp x20, x19, [sp, #128] ; 16-byte Folded Spill383; DARWIN-NEXT: stp x29, x30, [sp, #144] ; 16-byte Folded Spill384; DARWIN-NEXT: .cfi_def_cfa_offset 160385; DARWIN-NEXT: .cfi_offset w30, -8386; DARWIN-NEXT: .cfi_offset w29, -16387; DARWIN-NEXT: .cfi_offset w19, -24388; DARWIN-NEXT: .cfi_offset w20, -32389; DARWIN-NEXT: .cfi_offset w21, -40390; DARWIN-NEXT: .cfi_offset w22, -48391; DARWIN-NEXT: .cfi_offset w23, -56392; DARWIN-NEXT: .cfi_offset w24, -64393; DARWIN-NEXT: .cfi_offset w25, -72394; DARWIN-NEXT: .cfi_offset w26, -80395; DARWIN-NEXT: .cfi_offset w27, -88396; DARWIN-NEXT: .cfi_offset w28, -96397; DARWIN-NEXT: .cfi_offset b8, -104398; DARWIN-NEXT: .cfi_offset b9, -112399; DARWIN-NEXT: .cfi_offset b10, -120400; DARWIN-NEXT: .cfi_offset b11, -128401; DARWIN-NEXT: .cfi_offset b12, -136402; DARWIN-NEXT: .cfi_offset b13, -144403; DARWIN-NEXT: .cfi_offset b14, -152404; DARWIN-NEXT: .cfi_offset b15, -160405; DARWIN-NEXT: mov w20, #1 ; =0x1406; DARWIN-NEXT: mov w21, #2 ; =0x2407; DARWIN-NEXT: mov w22, #3 ; =0x3408; DARWIN-NEXT: mov w23, #4 ; =0x4409; DARWIN-NEXT: mov w24, #5 ; =0x5410; DARWIN-NEXT: mov w25, #6 ; =0x6411; DARWIN-NEXT: mov w26, #7 ; =0x7412; DARWIN-NEXT: mov w27, #8 ; =0x8413; DARWIN-NEXT: mov w28, #9 ; =0x9414; DARWIN-NEXT: mov w0, #10 ; =0xa415; DARWIN-NEXT: mov w1, #11 ; =0xb416; DARWIN-NEXT: mov w2, #12 ; =0xc417; DARWIN-NEXT: mov w3, #13 ; =0xd418; DARWIN-NEXT: mov w4, #14 ; =0xe419; DARWIN-NEXT: mov w5, #15 ; =0xf420; DARWIN-NEXT: mov w6, #16 ; =0x10421; DARWIN-NEXT: mov w7, #17 ; =0x11422; DARWIN-NEXT: mov w10, #18 ; =0x12423; DARWIN-NEXT: mov w11, #19 ; =0x13424; DARWIN-NEXT: mov w12, #20 ; =0x14425; DARWIN-NEXT: mov w13, #21 ; =0x15426; DARWIN-NEXT: mov w14, #22 ; =0x16427; DARWIN-NEXT: mov w9, #23 ; =0x17428; DARWIN-NEXT: mov w15, #24 ; =0x18429; DARWIN-NEXT: bl _callee_with_many_param430; DARWIN-NEXT: ldp x29, x30, [sp, #144] ; 16-byte Folded Reload431; DARWIN-NEXT: ldp x20, x19, [sp, #128] ; 16-byte Folded Reload432; DARWIN-NEXT: ldp x22, x21, [sp, #112] ; 16-byte Folded Reload433; DARWIN-NEXT: ldp x24, x23, [sp, #96] ; 16-byte Folded Reload434; DARWIN-NEXT: ldp x26, x25, [sp, #80] ; 16-byte Folded Reload435; DARWIN-NEXT: ldp x28, x27, [sp, #64] ; 16-byte Folded Reload436; DARWIN-NEXT: ldp d9, d8, [sp, #48] ; 16-byte Folded Reload437; DARWIN-NEXT: ldp d11, d10, [sp, #32] ; 16-byte Folded Reload438; DARWIN-NEXT: ldp d13, d12, [sp, #16] ; 16-byte Folded Reload439; DARWIN-NEXT: ldp d15, d14, [sp], #160 ; 16-byte Folded Reload440; DARWIN-NEXT: ret441;442; WIN-LABEL: caller3:443; WIN: .seh_proc caller3444; WIN-NEXT: // %bb.0:445; WIN-NEXT: sub sp, sp, #176446; WIN-NEXT: .seh_stackalloc 176447; WIN-NEXT: stp x19, x20, [sp, #16] // 16-byte Folded Spill448; WIN-NEXT: .seh_save_regp x19, 16449; WIN-NEXT: stp x21, x22, [sp, #32] // 16-byte Folded Spill450; WIN-NEXT: .seh_save_regp x21, 32451; WIN-NEXT: stp x23, x24, [sp, #48] // 16-byte Folded Spill452; WIN-NEXT: .seh_save_regp x23, 48453; WIN-NEXT: stp x25, x26, [sp, #64] // 16-byte Folded Spill454; WIN-NEXT: .seh_save_regp x25, 64455; WIN-NEXT: stp x27, x28, [sp, #80] // 16-byte Folded Spill456; WIN-NEXT: .seh_save_regp x27, 80457; WIN-NEXT: str x30, [sp, #96] // 8-byte Spill458; WIN-NEXT: .seh_save_reg x30, 96459; WIN-NEXT: stp d8, d9, [sp, #104] // 16-byte Folded Spill460; WIN-NEXT: .seh_save_fregp d8, 104461; WIN-NEXT: stp d10, d11, [sp, #120] // 16-byte Folded Spill462; WIN-NEXT: .seh_save_fregp d10, 120463; WIN-NEXT: stp d12, d13, [sp, #136] // 16-byte Folded Spill464; WIN-NEXT: .seh_save_fregp d12, 136465; WIN-NEXT: stp d14, d15, [sp, #152] // 16-byte Folded Spill466; WIN-NEXT: .seh_save_fregp d14, 152467; WIN-NEXT: .seh_endprologue468; WIN-NEXT: mov w8, #24 // =0x18469; WIN-NEXT: mov w20, #1 // =0x1470; WIN-NEXT: mov w21, #2 // =0x2471; WIN-NEXT: mov w22, #3 // =0x3472; WIN-NEXT: mov w23, #4 // =0x4473; WIN-NEXT: mov w24, #5 // =0x5474; WIN-NEXT: mov w25, #6 // =0x6475; WIN-NEXT: mov w26, #7 // =0x7476; WIN-NEXT: mov w27, #8 // =0x8477; WIN-NEXT: mov w28, #9 // =0x9478; WIN-NEXT: mov w0, #10 // =0xa479; WIN-NEXT: mov w1, #11 // =0xb480; WIN-NEXT: mov w2, #12 // =0xc481; WIN-NEXT: mov w3, #13 // =0xd482; WIN-NEXT: mov w4, #14 // =0xe483; WIN-NEXT: mov w5, #15 // =0xf484; WIN-NEXT: mov w6, #16 // =0x10485; WIN-NEXT: mov w7, #17 // =0x11486; WIN-NEXT: mov w10, #18 // =0x12487; WIN-NEXT: mov w11, #19 // =0x13488; WIN-NEXT: mov w12, #20 // =0x14489; WIN-NEXT: mov w13, #21 // =0x15490; WIN-NEXT: mov w14, #22 // =0x16491; WIN-NEXT: mov w9, #23 // =0x17492; WIN-NEXT: str x8, [sp]493; WIN-NEXT: bl callee_with_many_param494; WIN-NEXT: .seh_startepilogue495; WIN-NEXT: ldp d14, d15, [sp, #152] // 16-byte Folded Reload496; WIN-NEXT: .seh_save_fregp d14, 152497; WIN-NEXT: ldp d12, d13, [sp, #136] // 16-byte Folded Reload498; WIN-NEXT: .seh_save_fregp d12, 136499; WIN-NEXT: ldp d10, d11, [sp, #120] // 16-byte Folded Reload500; WIN-NEXT: .seh_save_fregp d10, 120501; WIN-NEXT: ldp d8, d9, [sp, #104] // 16-byte Folded Reload502; WIN-NEXT: .seh_save_fregp d8, 104503; WIN-NEXT: ldr x30, [sp, #96] // 8-byte Reload504; WIN-NEXT: .seh_save_reg x30, 96505; WIN-NEXT: ldp x27, x28, [sp, #80] // 16-byte Folded Reload506; WIN-NEXT: .seh_save_regp x27, 80507; WIN-NEXT: ldp x25, x26, [sp, #64] // 16-byte Folded Reload508; WIN-NEXT: .seh_save_regp x25, 64509; WIN-NEXT: ldp x23, x24, [sp, #48] // 16-byte Folded Reload510; WIN-NEXT: .seh_save_regp x23, 48511; WIN-NEXT: ldp x21, x22, [sp, #32] // 16-byte Folded Reload512; WIN-NEXT: .seh_save_regp x21, 32513; WIN-NEXT: ldp x19, x20, [sp, #16] // 16-byte Folded Reload514; WIN-NEXT: .seh_save_regp x19, 16515; WIN-NEXT: add sp, sp, #176516; WIN-NEXT: .seh_stackalloc 176517; WIN-NEXT: .seh_endepilogue518; WIN-NEXT: ret519; WIN-NEXT: .seh_endfunclet520; WIN-NEXT: .seh_endproc521 %ret = call preserve_nonecc i64 @callee_with_many_param(i64 1, i64 2, i64 3, i64 4, i64 5, i64 6, i64 7, i64 8, i64 9, i64 10, i64 11, i64 12, i64 13, i64 14, i64 15, i64 16, i64 17, i64 18, i64 19, i64 20, i64 21, i64 22, i64 23, i64 24)522 ret i64 %ret523}524