| # 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 |
| |
| ... |
