234 lines
11 KiB
Plaintext
234 lines
11 KiB
Plaintext
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# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -start-before=greedy %s -o - \
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# RUN: | FileCheck %s
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#
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# Test folding of a memory operand into logical compare with an immediate.
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--- |
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define i32 @fun0(i32* %src, i32 %arg) { ret i32 0 }
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define i64 @fun1(i64* %src, i64 %arg) { ret i64 0 }
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define i32 @fun2(i32* %src, i32 %arg) { ret i32 0 }
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define i64 @fun3(i64* %src, i64 %arg) { ret i64 0 }
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...
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# CHECK-LABEL: fun0:
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# CHECK: mvhi 164(%r15), 0 # 4-byte Folded Spill
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# CHECK: mvc 164(4,%r15), 0(%r2) # 4-byte Folded Spill
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# CHECK-LABEL: .LBB0_2:
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# CHECK: clfhsi 164(%r15), 2 # 4-byte Folded Reload
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---
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name: fun0
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: grx32bit }
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- { id: 1, class: grx32bit }
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- { id: 2, class: addr64bit }
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- { id: 3, class: gr32bit }
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- { id: 4, class: grx32bit }
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- { id: 5, class: grx32bit }
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- { id: 6, class: gr32bit }
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- { id: 7, class: gr32bit }
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- { id: 8, class: grx32bit }
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liveins:
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- { reg: '$r2d', virtual-reg: '%2' }
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- { reg: '$r3l', virtual-reg: '%3' }
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frameInfo:
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maxAlignment: 1
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hasOpaqueSPAdjustment: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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successors: %bb.1(0x30000000), %bb.2(0x50000000)
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liveins: $r2d, $r3l
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%3:gr32bit = COPY $r3l
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%2:addr64bit = COPY $r2d
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%6:gr32bit = LHIMux 0
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CHIMux %3, 0, implicit-def $cc
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%8:grx32bit = LHIMux 0
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BRC 14, 6, %bb.2, implicit killed $cc
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J %bb.1
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bb.1:
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%8:grx32bit = LMux %2, 0, $noreg :: (load 4 from %ir.src)
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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
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bb.2:
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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
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CLFIMux %8, 2, implicit-def $cc
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%6:gr32bit = LOCHIMux %6, 1, 14, 6, implicit killed $cc
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%7:gr32bit = NRK %3, %6, implicit-def dead $cc
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$r2l = COPY %7
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Return implicit $r2l
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...
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# CHECK-LABEL: fun1:
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# CHECK: mvghi 168(%r15), 0 # 8-byte Folded Spill
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# CHECK: mvc 168(8,%r15), 0(%r2) # 8-byte Folded Spill
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# CHECK-LABEL: .LBB1_2:
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# CHECK: clghsi 168(%r15), 2 # 8-byte Folded Reload
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---
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name: fun1
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gr64bit }
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- { id: 1, class: gr64bit }
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- { id: 2, class: addr64bit }
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- { id: 3, class: gr64bit }
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- { id: 4, class: gr64bit }
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- { id: 5, class: gr64bit }
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- { id: 6, class: gr64bit }
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- { id: 7, class: gr64bit }
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- { id: 8, class: gr64bit }
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liveins:
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- { reg: '$r2d', virtual-reg: '%2' }
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- { reg: '$r3d', virtual-reg: '%3' }
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frameInfo:
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maxAlignment: 1
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hasOpaqueSPAdjustment: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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successors: %bb.1(0x30000000), %bb.2(0x50000000)
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liveins: $r2d, $r3d
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%3:gr64bit = COPY $r3d
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%2:addr64bit = COPY $r2d
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%6:gr64bit = LGHI 0
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CGHI %3, 0, implicit-def $cc
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%8:gr64bit = LGHI 0
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BRC 14, 6, %bb.2, implicit killed $cc
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J %bb.1
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bb.1:
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%8:gr64bit = LG %2, 0, $noreg :: (load 8 from %ir.src)
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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
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bb.2:
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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
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CLGFI %8, 2, implicit-def $cc
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%6:gr64bit = LOCGHI %6, 1, 14, 6, implicit killed $cc
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%7:gr64bit = NGRK %3, %6, implicit-def dead $cc
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$r2d = COPY %7
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Return implicit $r2d
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...
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# 17-bit immediate can not be folded
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# CHECK-LABEL: fun2:
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# CHECK: mvhi 164(%r15), 0 # 4-byte Folded Spill
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# CHECK: mvc 164(4,%r15), 0(%r2) # 4-byte Folded Spill
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# CHECK-LABEL: .LBB2_2:
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# CHECK: l %r0, 164(%r15) # 4-byte Folded Reload
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# CHECK: clfi %r0, 65536
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---
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name: fun2
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: grx32bit }
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- { id: 1, class: grx32bit }
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- { id: 2, class: addr64bit }
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- { id: 3, class: gr32bit }
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- { id: 4, class: grx32bit }
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- { id: 5, class: grx32bit }
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- { id: 6, class: gr32bit }
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- { id: 7, class: gr32bit }
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- { id: 8, class: grx32bit }
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liveins:
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- { reg: '$r2d', virtual-reg: '%2' }
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- { reg: '$r3l', virtual-reg: '%3' }
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frameInfo:
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maxAlignment: 1
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hasOpaqueSPAdjustment: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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successors: %bb.1(0x30000000), %bb.2(0x50000000)
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liveins: $r2d, $r3l
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%3:gr32bit = COPY $r3l
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%2:addr64bit = COPY $r2d
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%6:gr32bit = LHIMux 0
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CHIMux %3, 0, implicit-def $cc
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%8:grx32bit = LHIMux 0
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BRC 14, 6, %bb.2, implicit killed $cc
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J %bb.1
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bb.1:
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%8:grx32bit = LMux %2, 0, $noreg :: (load 4 from %ir.src)
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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
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bb.2:
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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
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CLFIMux %8, 65536, implicit-def $cc
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%6:gr32bit = LOCHIMux %6, 1, 14, 6, implicit killed $cc
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%7:gr32bit = NRK %3, %6, implicit-def dead $cc
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$r2l = COPY %7
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Return implicit $r2l
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...
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# 17-bit immediate can not be folded
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# CHECK-LABEL: fun3:
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# CHECK: mvghi 168(%r15), 0 # 8-byte Folded Spill
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# CHECK: mvc 168(8,%r15), 0(%r2) # 8-byte Folded Spill
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# CHECK-LABEL: .LBB3_2:
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# CHECK: lg %r0, 168(%r15) # 8-byte Folded Reload
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# CHECK: clgfi %r0, 65536
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---
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name: fun3
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gr64bit }
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- { id: 1, class: gr64bit }
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- { id: 2, class: addr64bit }
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- { id: 3, class: gr64bit }
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- { id: 4, class: gr64bit }
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- { id: 5, class: gr64bit }
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- { id: 6, class: gr64bit }
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- { id: 7, class: gr64bit }
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- { id: 8, class: gr64bit }
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liveins:
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- { reg: '$r2d', virtual-reg: '%2' }
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- { reg: '$r3d', virtual-reg: '%3' }
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frameInfo:
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maxAlignment: 1
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hasOpaqueSPAdjustment: true
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machineFunctionInfo: {}
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body: |
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bb.0:
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successors: %bb.1(0x30000000), %bb.2(0x50000000)
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liveins: $r2d, $r3d
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%3:gr64bit = COPY $r3d
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%2:addr64bit = COPY $r2d
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%6:gr64bit = LGHI 0
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CGHI %3, 0, implicit-def $cc
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%8:gr64bit = LGHI 0
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BRC 14, 6, %bb.2, implicit killed $cc
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J %bb.1
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bb.1:
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%8:gr64bit = LG %2, 0, $noreg :: (load 8 from %ir.src)
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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
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bb.2:
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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
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CLGFI %8, 65536, implicit-def $cc
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%6:gr64bit = LOCGHI %6, 1, 14, 6, implicit killed $cc
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%7:gr64bit = NGRK %3, %6, implicit-def dead $cc
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$r2d = COPY %7
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Return implicit $r2d
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...
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