; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefix=RV32I ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ ; RUN: | FileCheck %s -check-prefix=RV64I declare void @callee(i8*) define void @caller32() nounwind { ; RV32I-LABEL: caller32: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -64 ; RV32I-NEXT: sw ra, 60(sp) ; RV32I-NEXT: sw s0, 56(sp) ; RV32I-NEXT: addi s0, sp, 64 ; RV32I-NEXT: andi sp, sp, -32 ; RV32I-NEXT: addi a0, sp, 32 ; RV32I-NEXT: call callee ; RV32I-NEXT: addi sp, s0, -64 ; RV32I-NEXT: lw s0, 56(sp) ; RV32I-NEXT: lw ra, 60(sp) ; RV32I-NEXT: addi sp, sp, 64 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller32: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -64 ; RV64I-NEXT: sd ra, 56(sp) ; RV64I-NEXT: sd s0, 48(sp) ; RV64I-NEXT: addi s0, sp, 64 ; RV64I-NEXT: andi sp, sp, -32 ; RV64I-NEXT: addi a0, sp, 32 ; RV64I-NEXT: call callee ; RV64I-NEXT: addi sp, s0, -64 ; RV64I-NEXT: ld s0, 48(sp) ; RV64I-NEXT: ld ra, 56(sp) ; RV64I-NEXT: addi sp, sp, 64 ; RV64I-NEXT: ret %1 = alloca i8, align 32 call void @callee(i8* %1) ret void } define void @caller_no_realign32() nounwind "no-realign-stack" { ; RV32I-LABEL: caller_no_realign32: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: mv a0, sp ; RV32I-NEXT: call callee ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller_no_realign32: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) ; RV64I-NEXT: mv a0, sp ; RV64I-NEXT: call callee ; RV64I-NEXT: ld ra, 8(sp) ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = alloca i8, align 32 call void @callee(i8* %1) ret void } define void @caller64() nounwind { ; RV32I-LABEL: caller64: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -128 ; RV32I-NEXT: sw ra, 124(sp) ; RV32I-NEXT: sw s0, 120(sp) ; RV32I-NEXT: addi s0, sp, 128 ; RV32I-NEXT: andi sp, sp, -64 ; RV32I-NEXT: addi a0, sp, 64 ; RV32I-NEXT: call callee ; RV32I-NEXT: addi sp, s0, -128 ; RV32I-NEXT: lw s0, 120(sp) ; RV32I-NEXT: lw ra, 124(sp) ; RV32I-NEXT: addi sp, sp, 128 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller64: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -128 ; RV64I-NEXT: sd ra, 120(sp) ; RV64I-NEXT: sd s0, 112(sp) ; RV64I-NEXT: addi s0, sp, 128 ; RV64I-NEXT: andi sp, sp, -64 ; RV64I-NEXT: addi a0, sp, 64 ; RV64I-NEXT: call callee ; RV64I-NEXT: addi sp, s0, -128 ; RV64I-NEXT: ld s0, 112(sp) ; RV64I-NEXT: ld ra, 120(sp) ; RV64I-NEXT: addi sp, sp, 128 ; RV64I-NEXT: ret %1 = alloca i8, align 64 call void @callee(i8* %1) ret void } define void @caller_no_realign64() nounwind "no-realign-stack" { ; RV32I-LABEL: caller_no_realign64: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: mv a0, sp ; RV32I-NEXT: call callee ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller_no_realign64: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) ; RV64I-NEXT: mv a0, sp ; RV64I-NEXT: call callee ; RV64I-NEXT: ld ra, 8(sp) ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = alloca i8, align 64 call void @callee(i8* %1) ret void } define void @caller128() nounwind { ; RV32I-LABEL: caller128: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -256 ; RV32I-NEXT: sw ra, 252(sp) ; RV32I-NEXT: sw s0, 248(sp) ; RV32I-NEXT: addi s0, sp, 256 ; RV32I-NEXT: andi sp, sp, -128 ; RV32I-NEXT: addi a0, sp, 128 ; RV32I-NEXT: call callee ; RV32I-NEXT: addi sp, s0, -256 ; RV32I-NEXT: lw s0, 248(sp) ; RV32I-NEXT: lw ra, 252(sp) ; RV32I-NEXT: addi sp, sp, 256 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller128: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -256 ; RV64I-NEXT: sd ra, 248(sp) ; RV64I-NEXT: sd s0, 240(sp) ; RV64I-NEXT: addi s0, sp, 256 ; RV64I-NEXT: andi sp, sp, -128 ; RV64I-NEXT: addi a0, sp, 128 ; RV64I-NEXT: call callee ; RV64I-NEXT: addi sp, s0, -256 ; RV64I-NEXT: ld s0, 240(sp) ; RV64I-NEXT: ld ra, 248(sp) ; RV64I-NEXT: addi sp, sp, 256 ; RV64I-NEXT: ret %1 = alloca i8, align 128 call void @callee(i8* %1) ret void } define void @caller_no_realign128() nounwind "no-realign-stack" { ; RV32I-LABEL: caller_no_realign128: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: mv a0, sp ; RV32I-NEXT: call callee ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller_no_realign128: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) ; RV64I-NEXT: mv a0, sp ; RV64I-NEXT: call callee ; RV64I-NEXT: ld ra, 8(sp) ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = alloca i8, align 128 call void @callee(i8* %1) ret void } define void @caller256() nounwind { ; RV32I-LABEL: caller256: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -512 ; RV32I-NEXT: sw ra, 508(sp) ; RV32I-NEXT: sw s0, 504(sp) ; RV32I-NEXT: addi s0, sp, 512 ; RV32I-NEXT: andi sp, sp, -256 ; RV32I-NEXT: addi a0, sp, 256 ; RV32I-NEXT: call callee ; RV32I-NEXT: addi sp, s0, -512 ; RV32I-NEXT: lw s0, 504(sp) ; RV32I-NEXT: lw ra, 508(sp) ; RV32I-NEXT: addi sp, sp, 512 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller256: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -512 ; RV64I-NEXT: sd ra, 504(sp) ; RV64I-NEXT: sd s0, 496(sp) ; RV64I-NEXT: addi s0, sp, 512 ; RV64I-NEXT: andi sp, sp, -256 ; RV64I-NEXT: addi a0, sp, 256 ; RV64I-NEXT: call callee ; RV64I-NEXT: addi sp, s0, -512 ; RV64I-NEXT: ld s0, 496(sp) ; RV64I-NEXT: ld ra, 504(sp) ; RV64I-NEXT: addi sp, sp, 512 ; RV64I-NEXT: ret %1 = alloca i8, align 256 call void @callee(i8* %1) ret void } define void @caller_no_realign256() nounwind "no-realign-stack" { ; RV32I-LABEL: caller_no_realign256: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: mv a0, sp ; RV32I-NEXT: call callee ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller_no_realign256: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) ; RV64I-NEXT: mv a0, sp ; RV64I-NEXT: call callee ; RV64I-NEXT: ld ra, 8(sp) ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = alloca i8, align 256 call void @callee(i8* %1) ret void } define void @caller512() nounwind { ; RV32I-LABEL: caller512: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -1536 ; RV32I-NEXT: sw ra, 1532(sp) ; RV32I-NEXT: sw s0, 1528(sp) ; RV32I-NEXT: addi s0, sp, 1536 ; RV32I-NEXT: andi sp, sp, -512 ; RV32I-NEXT: addi a0, sp, 1024 ; RV32I-NEXT: call callee ; RV32I-NEXT: addi sp, s0, -1536 ; RV32I-NEXT: lw s0, 1528(sp) ; RV32I-NEXT: lw ra, 1532(sp) ; RV32I-NEXT: addi sp, sp, 1536 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller512: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -1536 ; RV64I-NEXT: sd ra, 1528(sp) ; RV64I-NEXT: sd s0, 1520(sp) ; RV64I-NEXT: addi s0, sp, 1536 ; RV64I-NEXT: andi sp, sp, -512 ; RV64I-NEXT: addi a0, sp, 1024 ; RV64I-NEXT: call callee ; RV64I-NEXT: addi sp, s0, -1536 ; RV64I-NEXT: ld s0, 1520(sp) ; RV64I-NEXT: ld ra, 1528(sp) ; RV64I-NEXT: addi sp, sp, 1536 ; RV64I-NEXT: ret %1 = alloca i8, align 512 call void @callee(i8* %1) ret void } define void @caller_no_realign512() nounwind "no-realign-stack" { ; RV32I-LABEL: caller_no_realign512: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: mv a0, sp ; RV32I-NEXT: call callee ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller_no_realign512: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) ; RV64I-NEXT: mv a0, sp ; RV64I-NEXT: call callee ; RV64I-NEXT: ld ra, 8(sp) ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = alloca i8, align 512 call void @callee(i8* %1) ret void } define void @caller1024() nounwind { ; RV32I-LABEL: caller1024: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -2032 ; RV32I-NEXT: sw ra, 2028(sp) ; RV32I-NEXT: sw s0, 2024(sp) ; RV32I-NEXT: addi s0, sp, 2032 ; RV32I-NEXT: addi sp, sp, -1040 ; RV32I-NEXT: andi sp, sp, -1024 ; RV32I-NEXT: lui a0, 1 ; RV32I-NEXT: addi a0, a0, -2048 ; RV32I-NEXT: add a0, sp, a0 ; RV32I-NEXT: mv a0, a0 ; RV32I-NEXT: call callee ; RV32I-NEXT: lui a0, 1 ; RV32I-NEXT: addi a0, a0, -1024 ; RV32I-NEXT: sub sp, s0, a0 ; RV32I-NEXT: addi sp, sp, 1040 ; RV32I-NEXT: lw s0, 2024(sp) ; RV32I-NEXT: lw ra, 2028(sp) ; RV32I-NEXT: addi sp, sp, 2032 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller1024: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -2032 ; RV64I-NEXT: sd ra, 2024(sp) ; RV64I-NEXT: sd s0, 2016(sp) ; RV64I-NEXT: addi s0, sp, 2032 ; RV64I-NEXT: addi sp, sp, -1040 ; RV64I-NEXT: andi sp, sp, -1024 ; RV64I-NEXT: lui a0, 1 ; RV64I-NEXT: addiw a0, a0, -2048 ; RV64I-NEXT: add a0, sp, a0 ; RV64I-NEXT: mv a0, a0 ; RV64I-NEXT: call callee ; RV64I-NEXT: lui a0, 1 ; RV64I-NEXT: addiw a0, a0, -1024 ; RV64I-NEXT: sub sp, s0, a0 ; RV64I-NEXT: addi sp, sp, 1040 ; RV64I-NEXT: ld s0, 2016(sp) ; RV64I-NEXT: ld ra, 2024(sp) ; RV64I-NEXT: addi sp, sp, 2032 ; RV64I-NEXT: ret %1 = alloca i8, align 1024 call void @callee(i8* %1) ret void } define void @caller_no_realign1024() nounwind "no-realign-stack" { ; RV32I-LABEL: caller_no_realign1024: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: mv a0, sp ; RV32I-NEXT: call callee ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller_no_realign1024: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) ; RV64I-NEXT: mv a0, sp ; RV64I-NEXT: call callee ; RV64I-NEXT: ld ra, 8(sp) ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = alloca i8, align 1024 call void @callee(i8* %1) ret void } define void @caller2048() nounwind { ; RV32I-LABEL: caller2048: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -2032 ; RV32I-NEXT: sw ra, 2028(sp) ; RV32I-NEXT: sw s0, 2024(sp) ; RV32I-NEXT: addi s0, sp, 2032 ; RV32I-NEXT: lui a0, 1 ; RV32I-NEXT: addi a0, a0, 16 ; RV32I-NEXT: sub sp, sp, a0 ; RV32I-NEXT: andi sp, sp, -2048 ; RV32I-NEXT: lui a0, 1 ; RV32I-NEXT: add a0, sp, a0 ; RV32I-NEXT: mv a0, a0 ; RV32I-NEXT: call callee ; RV32I-NEXT: lui a0, 2 ; RV32I-NEXT: addi a0, a0, -2048 ; RV32I-NEXT: sub sp, s0, a0 ; RV32I-NEXT: lui a0, 1 ; RV32I-NEXT: addi a0, a0, 16 ; RV32I-NEXT: add sp, sp, a0 ; RV32I-NEXT: lw s0, 2024(sp) ; RV32I-NEXT: lw ra, 2028(sp) ; RV32I-NEXT: addi sp, sp, 2032 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller2048: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -2032 ; RV64I-NEXT: sd ra, 2024(sp) ; RV64I-NEXT: sd s0, 2016(sp) ; RV64I-NEXT: addi s0, sp, 2032 ; RV64I-NEXT: lui a0, 1 ; RV64I-NEXT: addiw a0, a0, 16 ; RV64I-NEXT: sub sp, sp, a0 ; RV64I-NEXT: andi sp, sp, -2048 ; RV64I-NEXT: lui a0, 1 ; RV64I-NEXT: add a0, sp, a0 ; RV64I-NEXT: mv a0, a0 ; RV64I-NEXT: call callee ; RV64I-NEXT: lui a0, 2 ; RV64I-NEXT: addiw a0, a0, -2048 ; RV64I-NEXT: sub sp, s0, a0 ; RV64I-NEXT: lui a0, 1 ; RV64I-NEXT: addiw a0, a0, 16 ; RV64I-NEXT: add sp, sp, a0 ; RV64I-NEXT: ld s0, 2016(sp) ; RV64I-NEXT: ld ra, 2024(sp) ; RV64I-NEXT: addi sp, sp, 2032 ; RV64I-NEXT: ret %1 = alloca i8, align 2048 call void @callee(i8* %1) ret void } define void @caller_no_realign2048() nounwind "no-realign-stack" { ; RV32I-LABEL: caller_no_realign2048: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: mv a0, sp ; RV32I-NEXT: call callee ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller_no_realign2048: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) ; RV64I-NEXT: mv a0, sp ; RV64I-NEXT: call callee ; RV64I-NEXT: ld ra, 8(sp) ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = alloca i8, align 2048 call void @callee(i8* %1) ret void } define void @caller4096() nounwind { ; RV32I-LABEL: caller4096: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -2032 ; RV32I-NEXT: sw ra, 2028(sp) ; RV32I-NEXT: sw s0, 2024(sp) ; RV32I-NEXT: addi s0, sp, 2032 ; RV32I-NEXT: lui a0, 3 ; RV32I-NEXT: addi a0, a0, -2032 ; RV32I-NEXT: sub sp, sp, a0 ; RV32I-NEXT: srli a0, sp, 12 ; RV32I-NEXT: slli sp, a0, 12 ; RV32I-NEXT: lui a0, 2 ; RV32I-NEXT: add a0, sp, a0 ; RV32I-NEXT: mv a0, a0 ; RV32I-NEXT: call callee ; RV32I-NEXT: lui a0, 3 ; RV32I-NEXT: sub sp, s0, a0 ; RV32I-NEXT: lui a0, 3 ; RV32I-NEXT: addi a0, a0, -2032 ; RV32I-NEXT: add sp, sp, a0 ; RV32I-NEXT: lw s0, 2024(sp) ; RV32I-NEXT: lw ra, 2028(sp) ; RV32I-NEXT: addi sp, sp, 2032 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller4096: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -2032 ; RV64I-NEXT: sd ra, 2024(sp) ; RV64I-NEXT: sd s0, 2016(sp) ; RV64I-NEXT: addi s0, sp, 2032 ; RV64I-NEXT: lui a0, 3 ; RV64I-NEXT: addiw a0, a0, -2032 ; RV64I-NEXT: sub sp, sp, a0 ; RV64I-NEXT: srli a0, sp, 12 ; RV64I-NEXT: slli sp, a0, 12 ; RV64I-NEXT: lui a0, 2 ; RV64I-NEXT: add a0, sp, a0 ; RV64I-NEXT: mv a0, a0 ; RV64I-NEXT: call callee ; RV64I-NEXT: lui a0, 3 ; RV64I-NEXT: sub sp, s0, a0 ; RV64I-NEXT: lui a0, 3 ; RV64I-NEXT: addiw a0, a0, -2032 ; RV64I-NEXT: add sp, sp, a0 ; RV64I-NEXT: ld s0, 2016(sp) ; RV64I-NEXT: ld ra, 2024(sp) ; RV64I-NEXT: addi sp, sp, 2032 ; RV64I-NEXT: ret %1 = alloca i8, align 4096 call void @callee(i8* %1) ret void } define void @caller_no_realign4096() nounwind "no-realign-stack" { ; RV32I-LABEL: caller_no_realign4096: ; RV32I: # %bb.0: ; RV32I-NEXT: addi sp, sp, -16 ; RV32I-NEXT: sw ra, 12(sp) ; RV32I-NEXT: mv a0, sp ; RV32I-NEXT: call callee ; RV32I-NEXT: lw ra, 12(sp) ; RV32I-NEXT: addi sp, sp, 16 ; RV32I-NEXT: ret ; ; RV64I-LABEL: caller_no_realign4096: ; RV64I: # %bb.0: ; RV64I-NEXT: addi sp, sp, -16 ; RV64I-NEXT: sd ra, 8(sp) ; RV64I-NEXT: mv a0, sp ; RV64I-NEXT: call callee ; RV64I-NEXT: ld ra, 8(sp) ; RV64I-NEXT: addi sp, sp, 16 ; RV64I-NEXT: ret %1 = alloca i8, align 4096 call void @callee(i8* %1) ret void }