# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -start-before=greedy %s -o - \ # RUN: | FileCheck %s # # Test folding of a memory operand into an fp memory instruction. --- | define void @fun0(double %arg0, double %arg1, double* %Dst) { ret void } define void @fun1(double %arg0, double %arg1, double* %Dst) { ret void } define void @fun2(double %arg0, double %arg1, double* %Dst) { ret void } define void @fun3(float %arg0, float %arg1, float* %Dst) { ret void } define void @fun4(float %arg0, float %arg1, float* %Dst) { ret void } define void @fun5(float %arg0, float %arg1, float* %Dst) { ret void } define void @fun6(double %arg0, double %arg1, double* %Dst) { ret void } define void @fun7(double %arg0, double %arg1, double* %Dst) { ret void } define void @fun8(double %arg0, double %arg1, double* %Dst) { ret void } define void @fun9(float %arg0, float %arg1, float* %Dst) { ret void } define void @fun10(float %arg0, float %arg1, float* %Dst) { ret void } define void @fun11(float %arg0, float %arg1, float* %Dst) { ret void } define void @fun12(float %arg0, float %arg1, float* %Dst) { ret void } ... # CHECK-LABEL: fun0: # CHECK: cdb %f0, 160(%r15) # 8-byte Folded Reload --- name: fun0 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp64bit } - { id: 1, class: fp64bit } - { id: 2, class: addr64bit } - { id: 3, class: vr64bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0d', virtual-reg: '%0' } - { reg: '$f2d', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0d, $f2d, $r2d %2:addr64bit = COPY $r2d %1:fp64bit = COPY $f2d %0:fp64bit = COPY $f0d 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 dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFCDB %0, %1, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CHECK-LABEL: fun1: # CHECK: cdb %f0, 160(%r15) # 8-byte Folded Reload --- name: fun1 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp64bit } - { id: 1, class: fp64bit } - { id: 2, class: addr64bit } - { id: 3, class: vr64bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0d', virtual-reg: '%0' } - { reg: '$f2d', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0d, $f2d, $r2d %2:addr64bit = COPY $r2d %1:fp64bit = COPY $f2d %0:fp64bit = COPY $f0d 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 dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFCDB %1, %0, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CDB can't be used if one operand is a VR64 (and not FP64). # CHECK-LABEL: fun2: # CHECK: ld %f0, 160(%r15) # 8-byte Folded Reload # CHECK-NEXT: wfcdb %v16, %f0 --- name: fun2 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp64bit } - { id: 1, class: vr64bit } - { id: 2, class: addr64bit } - { id: 3, class: vr64bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0d', virtual-reg: '%0' } - { reg: '$f2d', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0d, $f2d, $r2d %2:addr64bit = COPY $r2d %1:vr64bit = COPY $f2d %0:fp64bit = COPY $f0d 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 dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFCDB %1, %0, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CHECK-LABEL: fun3: # CHECK: ceb %f0, 164(%r15) # 4-byte Folded Reload --- name: fun3 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp32bit } - { id: 1, class: fp32bit } - { id: 2, class: addr64bit } - { id: 3, class: vr32bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0s', virtual-reg: '%0' } - { reg: '$f2s', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0s, $f2s, $r2d %2:addr64bit = COPY $r2d %1:fp32bit = COPY $f2s %0:fp32bit = COPY $f0s 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 dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFCSB %0, %1, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CHECK-LABEL: fun4: # CHECK: ceb %f0, 164(%r15) # 4-byte Folded Reload --- name: fun4 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp32bit } - { id: 1, class: fp32bit } - { id: 2, class: addr64bit } - { id: 3, class: vr32bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0s', virtual-reg: '%0' } - { reg: '$f2s', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0s, $f2s, $r2d %2:addr64bit = COPY $r2d %1:fp32bit = COPY $f2s %0:fp32bit = COPY $f0s 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 dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFCSB %1, %0, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CEB can't be used if one operand is a VR32 (and not FP32). # CHECK-LABEL: fun5: # CHECK: lde %f0, 164(%r15) # 4-byte Folded Reload # CHECK-NEXT: wfcsb %v16, %f0 --- name: fun5 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp32bit } - { id: 1, class: vr32bit } - { id: 2, class: addr64bit } - { id: 3, class: vr32bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0s', virtual-reg: '%0' } - { reg: '$f2s', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0s, $f2s, $r2d %2:addr64bit = COPY $r2d %1:vr32bit = COPY $f2s %0:fp32bit = COPY $f0s 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 dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFCSB %1, %0, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CHECK-LABEL: fun6: # CHECK: kdb %f0, 160(%r15) # 8-byte Folded Reload --- name: fun6 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp64bit } - { id: 1, class: fp64bit } - { id: 2, class: addr64bit } - { id: 3, class: vr64bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0d', virtual-reg: '%0' } - { reg: '$f2d', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0d, $f2d, $r2d %2:addr64bit = COPY $r2d %1:fp64bit = COPY $f2d %0:fp64bit = COPY $f0d 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 dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFKDB %0, %1, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CHECK-LABEL: fun7: # CHECK: kdb %f0, 160(%r15) # 8-byte Folded Reload --- name: fun7 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp64bit } - { id: 1, class: fp64bit } - { id: 2, class: addr64bit } - { id: 3, class: vr64bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0d', virtual-reg: '%0' } - { reg: '$f2d', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0d, $f2d, $r2d %2:addr64bit = COPY $r2d %1:fp64bit = COPY $f2d %0:fp64bit = COPY $f0d 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 dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFKDB %1, %0, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # KDB can't be used if one operand is a VR64 (and not FP64). # CHECK-LABEL: fun8: # CHECK: ld %f0, 160(%r15) # 8-byte Folded Reload # CHECK-NEXT: wfkdb %v16, %f0 --- name: fun8 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp64bit } - { id: 1, class: vr64bit } - { id: 2, class: addr64bit } - { id: 3, class: vr64bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0d', virtual-reg: '%0' } - { reg: '$f2d', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0d, $f2d, $r2d %2:addr64bit = COPY $r2d %1:vr64bit = COPY $f2d %0:fp64bit = COPY $f0d 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 dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFKDB %1, %0, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CHECK-LABEL: fun9: # CHECK: keb %f0, 164(%r15) # 4-byte Folded Reload --- name: fun9 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp32bit } - { id: 1, class: fp32bit } - { id: 2, class: addr64bit } - { id: 3, class: vr32bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0s', virtual-reg: '%0' } - { reg: '$f2s', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0s, $f2s, $r2d %2:addr64bit = COPY $r2d %1:fp32bit = COPY $f2s %0:fp32bit = COPY $f0s 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 dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFKSB %0, %1, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CHECK-LABEL: fun10: # CHECK: keb %f0, 164(%r15) # 4-byte Folded Reload --- name: fun10 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp32bit } - { id: 1, class: fp32bit } - { id: 2, class: addr64bit } - { id: 3, class: vr32bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0s', virtual-reg: '%0' } - { reg: '$f2s', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0s, $f2s, $r2d %2:addr64bit = COPY $r2d %1:fp32bit = COPY $f2s %0:fp32bit = COPY $f0s 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 dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFKSB %1, %0, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # CEB can't be used if one operand is a VR32 (and not FP32). # CHECK-LABEL: fun11: # CHECK: lde %f0, 164(%r15) # 4-byte Folded Reload # CHECK-NEXT: wfksb %v16, %f0 --- name: fun11 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp32bit } - { id: 1, class: vr32bit } - { id: 2, class: addr64bit } - { id: 3, class: vr32bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0s', virtual-reg: '%0' } - { reg: '$f2s', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0s, $f2s, $r2d %2:addr64bit = COPY $r2d %1:vr32bit = COPY $f2s %0:fp32bit = COPY $f0s 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 dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d nofpexcept WFKSB %1, %0, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ... # This test case involves a 128 bit operand (VGMF generating float 1.0). # CHECK-LABEL: fun12: # CHECK: vgmf %v0, 2, 8 # CHECK-NEXT: ceb %f0, 164(%r15) # 4-byte Folded Reload --- name: fun12 alignment: 16 tracksRegLiveness: true registers: - { id: 0, class: fp32bit } - { id: 1, class: vr128bit } - { id: 2, class: addr64bit } - { id: 3, class: vr32bit } - { id: 4, class: gr64bit } liveins: - { reg: '$f0s', virtual-reg: '%0' } - { reg: '$f2s', virtual-reg: '%1' } - { reg: '$r2d', virtual-reg: '%2' } frameInfo: maxAlignment: 1 machineFunctionInfo: {} body: | bb.0: liveins: $f0s, $f2s, $r2d %2:addr64bit = COPY $r2d %0:fp32bit = COPY $f0s 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 dead early-clobber $f0d, 12, implicit-def dead early-clobber $f1d, 12, implicit-def dead early-clobber $f2d, 12, implicit-def dead early-clobber $f3d, 12, implicit-def dead early-clobber $f4d, 12, implicit-def dead early-clobber $f5d, 12, implicit-def dead early-clobber $f6d, 12, implicit-def dead early-clobber $f7d, 12, implicit-def dead early-clobber $f8d, 12, implicit-def dead early-clobber $f9d, 12, implicit-def dead early-clobber $f10d, 12, implicit-def dead early-clobber $f11d, 12, implicit-def dead early-clobber $f12d, 12, implicit-def dead early-clobber $f13d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f14d, 12, implicit-def dead early-clobber $f15d %1:vr128bit = VGMF 2, 8 nofpexcept WFCSB %0, %1.subreg_h32:vr128bit, implicit-def $cc, implicit $fpc %4:gr64bit = LGHI 0 %4:gr64bit = LOCGHI %4, 1, 15, 8, implicit killed $cc STG %4, %2, 0, $noreg :: (store 8 into %ir.Dst) Return ...