; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 ; RUN: llc --mtriple=xtensa < %s | FileCheck -check-prefixes=CHECK %s ; RUN: llc --mtriple=xtensa --mattr=+windowed < %s | FileCheck -check-prefixes=CHECK-WINDOWED %s declare ptr @llvm.stacksave() declare void @llvm.stackrestore(ptr) declare void @use_addr(ptr) define void @test_saverestore(i64 %n) { ; CHECK-LABEL: test_saverestore: ; CHECK: .cfi_startproc ; CHECK-NEXT: # %bb.0: ; CHECK-NEXT: addi a8, a1, -16 ; CHECK-NEXT: or a1, a8, a8 ; CHECK-NEXT: .cfi_def_cfa_offset 16 ; CHECK-NEXT: s32i a0, a1, 8 # 4-byte Folded Spill ; CHECK-NEXT: s32i a12, a1, 4 # 4-byte Folded Spill ; CHECK-NEXT: s32i a15, a1, 0 # 4-byte Folded Spill ; CHECK-NEXT: .cfi_offset a0, -4 ; CHECK-NEXT: .cfi_offset a12, -8 ; CHECK-NEXT: .cfi_offset a15, -12 ; CHECK-NEXT: or a15, a1, a1 ; CHECK-NEXT: .cfi_def_cfa_register a15 ; CHECK-NEXT: addi a8, a2, 3 ; CHECK-NEXT: movi a9, -4 ; CHECK-NEXT: and a8, a8, a9 ; CHECK-NEXT: addi a8, a8, 31 ; CHECK-NEXT: movi a9, -32 ; CHECK-NEXT: and a8, a8, a9 ; CHECK-NEXT: or a12, a1, a1 ; CHECK-NEXT: sub a1, a1, a8 ; CHECK-NEXT: or a2, a1, a1 ; CHECK-NEXT: l32r a8, .LCPI0_0 ; CHECK-NEXT: callx0 a8 ; CHECK-NEXT: or a1, a12, a12 ; CHECK-NEXT: or a1, a15, a15 ; CHECK-NEXT: l32i a15, a1, 0 # 4-byte Folded Reload ; CHECK-NEXT: l32i a12, a1, 4 # 4-byte Folded Reload ; CHECK-NEXT: l32i a0, a1, 8 # 4-byte Folded Reload ; CHECK-NEXT: addi a8, a1, 16 ; CHECK-NEXT: or a1, a8, a8 ; CHECK-NEXT: ret ; ; CHECK-WINDOWED-LABEL: test_saverestore: ; CHECK-WINDOWED: .cfi_startproc ; CHECK-WINDOWED-NEXT: # %bb.0: ; CHECK-WINDOWED-NEXT: entry a1, 32 ; CHECK-WINDOWED-NEXT: or a7, a1, a1 ; CHECK-WINDOWED-NEXT: .cfi_def_cfa a7, 32 ; CHECK-WINDOWED-NEXT: addi a8, a2, 3 ; CHECK-WINDOWED-NEXT: movi a9, -4 ; CHECK-WINDOWED-NEXT: and a8, a8, a9 ; CHECK-WINDOWED-NEXT: addi a8, a8, 31 ; CHECK-WINDOWED-NEXT: movi a9, -32 ; CHECK-WINDOWED-NEXT: and a8, a8, a9 ; CHECK-WINDOWED-NEXT: or a6, a1, a1 ; CHECK-WINDOWED-NEXT: sub a8, a1, a8 ; CHECK-WINDOWED-NEXT: movsp a1, a8 ; CHECK-WINDOWED-NEXT: or a10, a1, a1 ; CHECK-WINDOWED-NEXT: l32r a8, .LCPI0_0 ; CHECK-WINDOWED-NEXT: callx8 a8 ; CHECK-WINDOWED-NEXT: movsp a1, a6 ; CHECK-WINDOWED-NEXT: retw %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 }