# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -start-before=greedy %s -o - \
# RUN:   | FileCheck %s
#
# Test folding of a memory operand into logical compare with an immediate.

--- |
  define i32 @fun0(i32* %src, i32 %arg) { ret i32 0 }
  define i64 @fun1(i64* %src, i64 %arg) { ret i64 0 }
  define i32 @fun2(i32* %src, i32 %arg) { ret i32 0 }
  define i64 @fun3(i64* %src, i64 %arg) { ret i64 0 }
...


# CHECK-LABEL: fun0:
# CHECK: 	mvhi	164(%r15), 0            # 4-byte Folded Spill
# CHECK:	mvc	164(4,%r15), 0(%r2)     # 4-byte Folded Spill
# CHECK-LABEL: .LBB0_2:
# CHECK:	clfhsi	164(%r15), 2            # 4-byte Folded Reload
---
name:            fun0
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: grx32bit }
  - { id: 1, class: grx32bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: gr32bit }
  - { id: 4, class: grx32bit }
  - { id: 5, class: grx32bit }
  - { id: 6, class: gr32bit }
  - { id: 7, class: gr32bit }
  - { id: 8, class: grx32bit }
liveins:
  - { reg: '$r2d', virtual-reg: '%2' }
  - { reg: '$r3l', virtual-reg: '%3' }
frameInfo:
  maxAlignment:    1
  hasOpaqueSPAdjustment: true
machineFunctionInfo: {}
body:             |
  bb.0:
    successors: %bb.1(0x30000000), %bb.2(0x50000000)
    liveins: $r2d, $r3l
  
    %3:gr32bit = COPY $r3l
    %2:addr64bit = COPY $r2d
    %6:gr32bit = LHIMux 0
    CHIMux %3, 0, implicit-def $cc
    %8:grx32bit = LHIMux 0
    BRC 14, 6, %bb.2, implicit killed $cc
    J %bb.1
  
  bb.1:
    %8:grx32bit = LMux %2, 0, $noreg :: (load 4 from %ir.src)
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def early-clobber $r15d
  
  bb.2:
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def early-clobber $r15d
    CLFIMux %8, 2, implicit-def $cc
    %6:gr32bit = LOCHIMux %6, 1, 14, 6, implicit killed $cc
    %7:gr32bit = NRK %3, %6, implicit-def dead $cc
    $r2l = COPY %7
    Return implicit $r2l

...


# CHECK-LABEL: fun1:
# CHECK: 	mvghi	168(%r15), 0            # 8-byte Folded Spill
# CHECK:	mvc	168(8,%r15), 0(%r2)     # 8-byte Folded Spill
# CHECK-LABEL: .LBB1_2:
# CHECK:	clghsi	168(%r15), 2            # 8-byte Folded Reload
---
name:            fun1
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: gr64bit }
  - { id: 1, class: gr64bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: gr64bit }
  - { id: 4, class: gr64bit }
  - { id: 5, class: gr64bit }
  - { id: 6, class: gr64bit }
  - { id: 7, class: gr64bit }
  - { id: 8, class: gr64bit }
liveins:
  - { reg: '$r2d', virtual-reg: '%2' }
  - { reg: '$r3d', virtual-reg: '%3' }
frameInfo:
  maxAlignment:    1
  hasOpaqueSPAdjustment: true
machineFunctionInfo: {}
body:             |
  bb.0:
    successors: %bb.1(0x30000000), %bb.2(0x50000000)
    liveins: $r2d, $r3d
  
    %3:gr64bit = COPY $r3d
    %2:addr64bit = COPY $r2d
    %6:gr64bit = LGHI 0
    CGHI %3, 0, implicit-def $cc
    %8:gr64bit = LGHI 0
    BRC 14, 6, %bb.2, implicit killed $cc
    J %bb.1
  
  bb.1:
    %8:gr64bit = LG %2, 0, $noreg :: (load 8 from %ir.src)
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def early-clobber $r15d
  
  bb.2:
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def early-clobber $r15d
    CLGFI %8, 2, implicit-def $cc
    %6:gr64bit = LOCGHI %6, 1, 14, 6, implicit killed $cc
    %7:gr64bit = NGRK %3, %6, implicit-def dead $cc
    $r2d = COPY %7
    Return implicit $r2d

...


# 17-bit immediate can not be folded

# CHECK-LABEL: fun2:
# CHECK: 	mvhi	164(%r15), 0            # 4-byte Folded Spill
# CHECK:	mvc	164(4,%r15), 0(%r2)     # 4-byte Folded Spill
# CHECK-LABEL: .LBB2_2:
# CHECK:        l       %r0, 164(%r15)          # 4-byte Folded Reload
# CHECK:        clfi    %r0, 65536
---
name:            fun2
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: grx32bit }
  - { id: 1, class: grx32bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: gr32bit }
  - { id: 4, class: grx32bit }
  - { id: 5, class: grx32bit }
  - { id: 6, class: gr32bit }
  - { id: 7, class: gr32bit }
  - { id: 8, class: grx32bit }
liveins:
  - { reg: '$r2d', virtual-reg: '%2' }
  - { reg: '$r3l', virtual-reg: '%3' }
frameInfo:
  maxAlignment:    1
  hasOpaqueSPAdjustment: true
machineFunctionInfo: {}
body:             |
  bb.0:
    successors: %bb.1(0x30000000), %bb.2(0x50000000)
    liveins: $r2d, $r3l
  
    %3:gr32bit = COPY $r3l
    %2:addr64bit = COPY $r2d
    %6:gr32bit = LHIMux 0
    CHIMux %3, 0, implicit-def $cc
    %8:grx32bit = LHIMux 0
    BRC 14, 6, %bb.2, implicit killed $cc
    J %bb.1
  
  bb.1:
    %8:grx32bit = LMux %2, 0, $noreg :: (load 4 from %ir.src)
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def early-clobber $r15d
  
  bb.2:
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def early-clobber $r15d
    CLFIMux %8, 65536, implicit-def $cc
    %6:gr32bit = LOCHIMux %6, 1, 14, 6, implicit killed $cc
    %7:gr32bit = NRK %3, %6, implicit-def dead $cc
    $r2l = COPY %7
    Return implicit $r2l

...


# 17-bit immediate can not be folded

# CHECK-LABEL: fun3:
# CHECK: 	mvghi	168(%r15), 0            # 8-byte Folded Spill
# CHECK:	mvc	168(8,%r15), 0(%r2)     # 8-byte Folded Spill
# CHECK-LABEL: .LBB3_2:
# CHECK:        lg      %r0, 168(%r15)          # 8-byte Folded Reload
# CHECK:        clgfi   %r0, 65536
---
name:            fun3
alignment:       16
tracksRegLiveness: true
registers:
  - { id: 0, class: gr64bit }
  - { id: 1, class: gr64bit }
  - { id: 2, class: addr64bit }
  - { id: 3, class: gr64bit }
  - { id: 4, class: gr64bit }
  - { id: 5, class: gr64bit }
  - { id: 6, class: gr64bit }
  - { id: 7, class: gr64bit }
  - { id: 8, class: gr64bit }
liveins:
  - { reg: '$r2d', virtual-reg: '%2' }
  - { reg: '$r3d', virtual-reg: '%3' }
frameInfo:
  maxAlignment:    1
  hasOpaqueSPAdjustment: true
machineFunctionInfo: {}
body:             |
  bb.0:
    successors: %bb.1(0x30000000), %bb.2(0x50000000)
    liveins: $r2d, $r3d
  
    %3:gr64bit = COPY $r3d
    %2:addr64bit = COPY $r2d
    %6:gr64bit = LGHI 0
    CGHI %3, 0, implicit-def $cc
    %8:gr64bit = LGHI 0
    BRC 14, 6, %bb.2, implicit killed $cc
    J %bb.1
  
  bb.1:
    %8:gr64bit = LG %2, 0, $noreg :: (load 8 from %ir.src)
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def early-clobber $r15d
  
  bb.2:
    INLINEASM &"", 1, 12, implicit-def dead early-clobber $r0d, 12, implicit-def dead early-clobber $r1d, 12, implicit-def dead early-clobber $r2d, 12, implicit-def dead early-clobber $r3d, 12, implicit-def dead early-clobber $r4d, 12, implicit-def dead early-clobber $r5d, 12, implicit-def dead early-clobber $r6d, 12, implicit-def dead early-clobber $r7d, 12, implicit-def dead early-clobber $r8d, 12, implicit-def dead early-clobber $r9d, 12, implicit-def dead early-clobber $r10d, 12, implicit-def dead early-clobber $r11d, 12, implicit-def dead early-clobber $r12d, 12, implicit-def dead early-clobber $r13d, 12, implicit-def dead early-clobber $r14d, 12, implicit-def early-clobber $r15d
    CLGFI %8, 65536, implicit-def $cc
    %6:gr64bit = LOCGHI %6, 1, 14, 6, implicit killed $cc
    %7:gr64bit = NGRK %3, %6, implicit-def dead $cc
    $r2d = COPY %7
    Return implicit $r2d

...