; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 ; RUN: llc -global-isel=1 -mtriple=riscv32 -o - %s | FileCheck %s --check-prefix=RV32 ; RUN: llc -global-isel=1 -mtriple=riscv64 -o - %s | FileCheck %s --check-prefix=RV64 declare void @use_addr(ptr) define void @test_scoped_alloca(i64 %n) { ; RV32-LABEL: test_scoped_alloca: ; RV32: # %bb.0: ; RV32-NEXT: addi sp, sp, -16 ; RV32-NEXT: .cfi_def_cfa_offset 16 ; RV32-NEXT: sw ra, 12(sp) # 4-byte Folded Spill ; RV32-NEXT: sw s0, 8(sp) # 4-byte Folded Spill ; RV32-NEXT: sw s1, 4(sp) # 4-byte Folded Spill ; RV32-NEXT: .cfi_offset ra, -4 ; RV32-NEXT: .cfi_offset s0, -8 ; RV32-NEXT: .cfi_offset s1, -12 ; RV32-NEXT: addi s0, sp, 16 ; RV32-NEXT: .cfi_def_cfa s0, 0 ; RV32-NEXT: addi a0, a0, 15 ; RV32-NEXT: andi a0, a0, -16 ; RV32-NEXT: sub a0, sp, a0 ; RV32-NEXT: mv s1, sp ; RV32-NEXT: mv sp, a0 ; RV32-NEXT: call use_addr ; RV32-NEXT: mv sp, s1 ; RV32-NEXT: addi sp, s0, -16 ; RV32-NEXT: lw ra, 12(sp) # 4-byte Folded Reload ; RV32-NEXT: lw s0, 8(sp) # 4-byte Folded Reload ; RV32-NEXT: lw s1, 4(sp) # 4-byte Folded Reload ; RV32-NEXT: addi sp, sp, 16 ; RV32-NEXT: ret ; ; RV64-LABEL: test_scoped_alloca: ; RV64: # %bb.0: ; RV64-NEXT: addi sp, sp, -32 ; RV64-NEXT: .cfi_def_cfa_offset 32 ; RV64-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; RV64-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; RV64-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; RV64-NEXT: .cfi_offset ra, -8 ; RV64-NEXT: .cfi_offset s0, -16 ; RV64-NEXT: .cfi_offset s1, -24 ; RV64-NEXT: addi s0, sp, 32 ; RV64-NEXT: .cfi_def_cfa s0, 0 ; RV64-NEXT: addi a0, a0, 15 ; RV64-NEXT: andi a0, a0, -16 ; RV64-NEXT: sub a0, sp, a0 ; RV64-NEXT: mv s1, sp ; RV64-NEXT: mv sp, a0 ; RV64-NEXT: call use_addr ; RV64-NEXT: mv sp, s1 ; RV64-NEXT: addi sp, s0, -32 ; RV64-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; RV64-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; RV64-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; RV64-NEXT: addi sp, sp, 32 ; RV64-NEXT: ret %sp = call ptr @llvm.stacksave.p0() %addr = alloca i8, i64 %n call void @use_addr(ptr %addr) call void @llvm.stackrestore.p0(ptr %sp) ret void }