llvm/test/CodeGen/SystemZ/builtin-setjmp-spills.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; Simulate register pressure around setjmp call.
; With load materialization, pr#179838, it is no longer necessary to check if
; all virtual registers are saved to stack before setjmp call because of load
; rematerialization of the global variables.
; setjmp storing to jmp_buf.
; Return address in slot 2.
; Stack Pointer in slot 4.
; Clobber %r6-%r15, %f8-%f15.

; RUN: llc < %s -verify-machineinstrs -mtriple=s390x-linux-gnu | FileCheck %s

declare i32 @llvm.eh.sjlj.setjmp(ptr)

@t = global i32 0, align 4
@s = global i32 0, align 4
@r = global i32 0, align 4
@q = global i32 0, align 4
@p = global i32 0, align 4
@o = global i32 0, align 4
@n = global i32 0, align 4
@m = global i32 0, align 4
@l = global i32 0, align 4
@k = global i32 0, align 4
@j = global i32 0, align 4
@i = global i32 0, align 4
@h = global i32 0, align 4
@g = global i32 0, align 4
@f = global i32 0, align 4
@e = global i32 0, align 4
@d = global i32 0, align 4
@c = global i32 0, align 4
@b = global i32 0, align 4
@a = global i32 0, align 4
@buf = global [10 x ptr] zeroinitializer, align 8

define signext i32 @func() {
; CHECK-LABEL: func:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    stmg %r6, %r15, 48(%r15)
; CHECK-NEXT:    .cfi_offset %r6, -112
; CHECK-NEXT:    .cfi_offset %r7, -104
; CHECK-NEXT:    .cfi_offset %r8, -96
; CHECK-NEXT:    .cfi_offset %r9, -88
; CHECK-NEXT:    .cfi_offset %r10, -80
; CHECK-NEXT:    .cfi_offset %r11, -72
; CHECK-NEXT:    .cfi_offset %r12, -64
; CHECK-NEXT:    .cfi_offset %r13, -56
; CHECK-NEXT:    .cfi_offset %r14, -48
; CHECK-NEXT:    .cfi_offset %r15, -40
; CHECK-NEXT:    aghi %r15, -64
; CHECK-NEXT:    .cfi_def_cfa_offset 224
; CHECK-NEXT:    std %f8, 56(%r15) # 8-byte Spill
; CHECK-NEXT:    std %f9, 48(%r15) # 8-byte Spill
; CHECK-NEXT:    std %f10, 40(%r15) # 8-byte Spill
; CHECK-NEXT:    std %f11, 32(%r15) # 8-byte Spill
; CHECK-NEXT:    std %f12, 24(%r15) # 8-byte Spill
; CHECK-NEXT:    std %f13, 16(%r15) # 8-byte Spill
; CHECK-NEXT:    std %f14, 8(%r15) # 8-byte Spill
; CHECK-NEXT:    std %f15, 0(%r15) # 8-byte Spill
; CHECK-NEXT:    .cfi_offset %f8, -168
; CHECK-NEXT:    .cfi_offset %f9, -176
; CHECK-NEXT:    .cfi_offset %f10, -184
; CHECK-NEXT:    .cfi_offset %f11, -192
; CHECK-NEXT:    .cfi_offset %f12, -200
; CHECK-NEXT:    .cfi_offset %f13, -208
; CHECK-NEXT:    .cfi_offset %f14, -216
; CHECK-NEXT:    .cfi_offset %f15, -224
; CHECK-NEXT:    lgrl %r1, t@GOT
; CHECK-NEXT:    lgrl %r2, s@GOT
; CHECK-NEXT:    mvhi 0(%r1), 1
; CHECK-NEXT:    lgrl %r1, r@GOT
; CHECK-NEXT:    lgrl %r3, q@GOT
; CHECK-NEXT:    mvhi 0(%r2), 1
; CHECK-NEXT:    lgrl %r2, p@GOT
; CHECK-NEXT:    mvhi 0(%r1), 1
; CHECK-NEXT:    mvhi 0(%r3), 1
; CHECK-NEXT:    lgrl %r1, o@GOT
; CHECK-NEXT:    mvhi 0(%r2), 1
; CHECK-NEXT:    lgrl %r2, n@GOT
; CHECK-NEXT:    lgrl %r3, m@GOT
; CHECK-NEXT:    mvhi 0(%r1), 1
; CHECK-NEXT:    lgrl %r1, l@GOT
; CHECK-NEXT:    mvhi 0(%r2), 1
; CHECK-NEXT:    mvhi 0(%r3), 1
; CHECK-NEXT:    lgrl %r2, k@GOT
; CHECK-NEXT:    mvhi 0(%r1), 1
; CHECK-NEXT:    lgrl %r1, j@GOT
; CHECK-NEXT:    lgrl %r3, i@GOT
; CHECK-NEXT:    mvhi 0(%r2), 1
; CHECK-NEXT:    lgrl %r2, h@GOT
; CHECK-NEXT:    mvhi 0(%r1), 1
; CHECK-NEXT:    mvhi 0(%r3), 1
; CHECK-NEXT:    lgrl %r1, g@GOT
; CHECK-NEXT:    mvhi 0(%r2), 1
; CHECK-NEXT:    lgrl %r2, f@GOT
; CHECK-NEXT:    lgrl %r3, e@GOT
; CHECK-NEXT:    mvhi 0(%r1), 1
; CHECK-NEXT:    lgrl %r1, d@GOT
; CHECK-NEXT:    mvhi 0(%r2), 1
; CHECK-NEXT:    mvhi 0(%r3), 1
; CHECK-NEXT:    lgrl %r2, c@GOT
; CHECK-NEXT:    mvhi 0(%r1), 1
; CHECK-NEXT:    lgrl %r3, b@GOT
; CHECK-NEXT:    lgrl %r4, a@GOT
; CHECK-NEXT:    mvhi 0(%r2), 1
; CHECK-NEXT:    lgrl %r1, buf@GOT
; CHECK-NEXT:    mvhi 0(%r3), 1
; CHECK-NEXT:    mvhi 0(%r4), 1
; CHECK-NEXT:    larl %r0, .LBB0_2
; CHECK-NEXT:    stg %r0, 8(%r1)
; CHECK-NEXT:    stg %r15, 24(%r1)
; CHECK-NEXT:  .LBB0_1: # %entry
; CHECK-NEXT:    lhi %r0, 0
; CHECK-NEXT:    j .LBB0_3
; CHECK-NEXT:  .LBB0_2: # Block address taken
; CHECK-NEXT:    # %entry
; CHECK-NEXT:    lhi %r0, 1
; CHECK-NEXT:  .LBB0_3: # %entry
; CHECK-NEXT:    lgrl %r1, a@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, b@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, c@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, d@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, e@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, f@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, g@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, h@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, i@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, j@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, k@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, l@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, m@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, n@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, o@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, p@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, q@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, r@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, s@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgrl %r1, t@GOT
; CHECK-NEXT:    a %r0, 0(%r1)
; CHECK-NEXT:    lgfr %r2, %r0
; CHECK-NEXT:    ld %f8, 56(%r15) # 8-byte Reload
; CHECK-NEXT:    ld %f9, 48(%r15) # 8-byte Reload
; CHECK-NEXT:    ld %f10, 40(%r15) # 8-byte Reload
; CHECK-NEXT:    ld %f11, 32(%r15) # 8-byte Reload
; CHECK-NEXT:    ld %f12, 24(%r15) # 8-byte Reload
; CHECK-NEXT:    ld %f13, 16(%r15) # 8-byte Reload
; CHECK-NEXT:    ld %f14, 8(%r15) # 8-byte Reload
; CHECK-NEXT:    ld %f15, 0(%r15) # 8-byte Reload
; CHECK-NEXT:    lmg %r6, %r15, 112(%r15)
; CHECK-NEXT:    br %r14
entry:
  store i32 1, ptr @t, align 4
  store i32 1, ptr @s, align 4
  store i32 1, ptr @r, align 4
  store i32 1, ptr @q, align 4
  store i32 1, ptr @p, align 4
  store i32 1, ptr @o, align 4
  store i32 1, ptr @n, align 4
  store i32 1, ptr @m, align 4
  store i32 1, ptr @l, align 4
  store i32 1, ptr @k, align 4
  store i32 1, ptr @j, align 4
  store i32 1, ptr @i, align 4
  store i32 1, ptr @h, align 4
  store i32 1, ptr @g, align 4
  store i32 1, ptr @f, align 4
  store i32 1, ptr @e, align 4
  store i32 1, ptr @d, align 4
  store i32 1, ptr @c, align 4
  store i32 1, ptr @b, align 4
  store i32 1, ptr @a, align 4
  %0 = tail call i32 @llvm.eh.sjlj.setjmp(ptr nonnull @buf)
  %1 = load i32, ptr @a, align 4
  %2 = load i32, ptr @b, align 4
  %3 = load i32, ptr @c, align 4
  %4 = load i32, ptr @d, align 4
  %5 = load i32, ptr @e, align 4
  %6 = load i32, ptr @f, align 4
  %7 = load i32, ptr @g, align 4
  %8 = load i32, ptr @h, align 4
  %9 = load i32, ptr @i, align 4
  %10 = load i32, ptr @j, align 4
  %11 = load i32, ptr @k, align 4
  %12 = load i32, ptr @l, align 4
  %13 = load i32, ptr @m, align 4
  %14 = load i32, ptr @n, align 4
  %15 = load i32, ptr @o, align 4
  %16 = load i32, ptr @p, align 4
  %17 = load i32, ptr @q, align 4
  %18 = load i32, ptr @r, align 4
  %19 = load i32, ptr @s, align 4
  %20 = load i32, ptr @t, align 4
  %add = add i32 %1, %0
  %add1 = add i32 %add, %2
  %add2 = add i32 %add1, %3
  %add3 = add i32 %add2, %4
  %add4 = add i32 %add3, %5
  %add5 = add i32 %add4, %6
  %add6 = add i32 %add5, %7
  %add7 = add i32 %add6, %8
  %add8 = add i32 %add7, %9
  %add9 = add i32 %add8, %10
  %add10 = add i32 %add9, %11
  %add11 = add i32 %add10, %12
  %add12 = add i32 %add11, %13
  %add13 = add i32 %add12, %14
  %add14 = add i32 %add13, %15
  %add15 = add i32 %add14, %16
  %add16 = add i32 %add15, %17
  %add17 = add i32 %add16, %18
  %add18 = add i32 %add17, %19
  %add19 = add i32 %add18, %20
  ret i32 %add19
}