# 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-LABEL: .LBB0_2: # CHECK: msc %r0, 164(%r15) # 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: gr32bit } 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:gr32bit = LHIMux 0 BRC 14, 6, %bb.2, implicit killed $cc J %bb.1 bb.1: %8:gr32bit = 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 %6:gr32bit = MSRKC %8, %6, 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 $r2l ... # CHECK-LABEL: fun1: # CHECK-LABEL: .LBB1_2: # CHECK: msc %r0, 164(%r15) # 4-byte Folded Reload --- name: fun1 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: grx32bit } - { id: 1, class: grx32bit } - { id: 2, class: addr64bit } - { id: 3, class: gr32bit } - { id: 4, class: grx32bit } - { id: 5, class: grx32bit } - { id: 6, class: gr32bit } - { id: 7, class: gr32bit } - { id: 8, class: gr32bit } liveins: - { reg: '$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:gr32bit = LHIMux 0 BRC 14, 6, %bb.2, implicit killed $cc J %bb.1 bb.1: %8:gr32bit = 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 %6:gr32bit = MSRKC %6, %8, 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 $r2l ... # CHECK-LABEL: fun2: # CHECK-LABEL: .LBB2_2: # CHECK: msgc %r0, 168(%r15) # 8-byte Folded Reload --- name: fun2 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: gr64bit } - { id: 1, class: gr64bit } - { id: 2, class: addr64bit } - { id: 3, class: gr64bit } - { id: 4, class: gr64bit } - { id: 5, class: gr64bit } - { id: 6, class: gr64bit } - { id: 7, class: gr64bit } - { id: 8, class: gr64bit } liveins: - { reg: '$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 %6:gr64bit = MSGRKC %8, %6, 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 $r2d ... # CHECK-LABEL: fun3: # CHECK-LABEL: .LBB3_2: # CHECK: msgc %r0, 168(%r15) # 8-byte Folded Reload --- name: fun3 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: gr64bit } - { id: 1, class: gr64bit } - { id: 2, class: addr64bit } - { id: 3, class: gr64bit } - { id: 4, class: gr64bit } - { id: 5, class: gr64bit } - { id: 6, class: gr64bit } - { id: 7, class: gr64bit } - { id: 8, class: gr64bit } liveins: - { reg: '$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 %6:gr64bit = MSGRKC %6, %8, 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 ...