216 lines
18 KiB
YAML
216 lines
18 KiB
YAML
# 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 an fp memory instruction.
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--- |
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define double @fun0(float %arg0) { ret double 0.0 }
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define double @fun1(float %arg0) { ret double 0.0 }
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define double @fun2(float %arg0) { ret double 0.0 }
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define double @fun3(double %arg0) { ret double 0.0 }
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define double @fun4(double %arg0) { ret double 0.0 }
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define float @fun5(float %arg0) { ret float 0.0 }
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define float @fun6(float %arg0) { ret float 0.0 }
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...
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# CHECK-LABEL: fun0:
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# CHECK: ldeb %f0, 164(%r15) # 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: fp32bit }
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- { id: 1, class: vr64bit }
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liveins:
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- { reg: '$f0s', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $f0s
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%0:fp32bit = COPY $f0s
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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 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
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%1:vr64bit = nofpexcept WLDEB %0, implicit $fpc
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$f0d = COPY %1
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Return implicit $f0d
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...
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# LDEB can't be used if dst operand is a VR32 (and not FP32).
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# CHECK-LABEL: fun1:
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# CHECK: lde %f0, 164(%r15) # 4-byte Folded Reload
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# CHECK-NEXT: wldeb %v16, %f0
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---
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name: fun1
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fp32bit }
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- { id: 1, class: vr64bit }
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liveins:
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- { reg: '$f0s', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $f0s
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%0:fp32bit = COPY $f0s
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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 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
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%1:vr64bit = nofpexcept WLDEB %0, implicit $fpc
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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 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 $f15d
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$f0d = COPY %1
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Return implicit $f0d
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...
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# Spilling the destination of an fp extension needs an extra store instruction.
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# CHECK-LABEL: fun2:
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# CHECK: ldebr %f0, %f0
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# CHECK-NEXT: std %f0, 160(%r15) # 8-byte Folded Spill
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---
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name: fun2
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fp32bit }
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- { id: 1, class: fp64bit }
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liveins:
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- { reg: '$f0s', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $f0s
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%0:fp32bit = COPY $f0s
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%1:fp64bit = nofpexcept WLDEB %0, implicit $fpc
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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 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 $f15d
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$f0d = COPY %1
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Return implicit $f0d
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...
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# CHECK-LABEL: fun3:
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# CHECK: sqdb %f0, 160(%r15) # 8-byte Folded Reload
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---
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name: fun3
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fp64bit }
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- { id: 1, class: vr64bit }
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liveins:
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- { reg: '$f0d', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $f0d
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%0:fp64bit = COPY $f0d
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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 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
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%1:vr64bit = nofpexcept WFSQDB %0, implicit $fpc
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$f0d = COPY %1
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Return implicit $f0d
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...
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# SQDB can't be used if dst operand is a VR64 (and not FP64).
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# CHECK-LABEL: fun4:
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# CHECK: ld %f0, 160(%r15) # 8-byte Folded Reload
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# CHECK-NEXT: wfsqdb %v16, %f0
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---
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name: fun4
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fp64bit }
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- { id: 1, class: vr64bit }
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liveins:
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- { reg: '$f0d', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $f0d
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%0:fp64bit = COPY $f0d
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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 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
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%1:vr64bit = nofpexcept WFSQDB %0, implicit $fpc
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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 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 $f15d
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$f0d = COPY %1
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Return implicit $f0d
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...
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# CHECK-LABEL: fun5:
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# CHECK: sqeb %f0, 164(%r15) # 4-byte Folded Reload
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---
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name: fun5
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fp32bit }
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- { id: 1, class: vr32bit }
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liveins:
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- { reg: '$f0s', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $f0s
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%0:fp32bit = COPY $f0s
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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 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
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%1:vr32bit = nofpexcept WFSQSB %0, implicit $fpc
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$f0s = COPY %1
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Return implicit $f0d
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...
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# SQEB can't be used if dst operand is a VR32 (and not FP32).
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# CHECK-LABEL: fun6:
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# CHECK: lde %f0, 164(%r15) # 4-byte Folded Reload
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# CHECK-NEXT: wfsqsb %v16, %f0
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---
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name: fun6
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alignment: 16
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tracksRegLiveness: true
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registers:
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- { id: 0, class: fp32bit }
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- { id: 1, class: vr32bit }
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liveins:
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- { reg: '$f0s', virtual-reg: '%0' }
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frameInfo:
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maxAlignment: 1
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $f0s
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%0:fp32bit = COPY $f0s
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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 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
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%1:vr32bit = nofpexcept WFSQSB %0, implicit $fpc
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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 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 $f15d
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$f0s = COPY %1
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Return implicit $f0s
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...
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