[NFC] [PowerPC] Update mi-peephole-splat test

Use script to re-generate the test case, for easier comparison with
future patches.

llvm/test/CodeGen/PowerPC/mi-peephole-splat.ll

@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-linux-gnu < %s \
 ; RUN: | FileCheck --check-prefix=CHECK-LE %s
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64-linux-gnu -mattr=+vsx < %s \
@@ -8,36 +9,127 @@
 ; RUN: | FileCheck --check-prefix=CHECK-P9BE %s
 
 define double @splat_swap(<2 x double> %x, <2 x double> %y) nounwind  {
+; CHECK-LE-LABEL: splat_swap:
+; CHECK-LE:       # %bb.0:
+; CHECK-LE-NEXT:    mflr 0
+; CHECK-LE-NEXT:    std 0, 16(1)
+; CHECK-LE-NEXT:    stdu 1, -80(1)
+; CHECK-LE-NEXT:    li 3, 64
+; CHECK-LE-NEXT:    stxvd2x 63, 1, 3 # 16-byte Folded Spill
+; CHECK-LE-NEXT:    xvadddp 63, 34, 35
+; CHECK-LE-NEXT:    xxlor 1, 63, 63
+; CHECK-LE-NEXT:    bl rint
+; CHECK-LE-NEXT:    nop
+; CHECK-LE-NEXT:    xxswapd 0, 63
+; CHECK-LE-NEXT:    # kill: def $f1 killed $f1 def $vsl1
+; CHECK-LE-NEXT:    li 3, 48
+; CHECK-LE-NEXT:    stxvd2x 1, 1, 3 # 16-byte Folded Spill
+; CHECK-LE-NEXT:    fmr 1, 0
+; CHECK-LE-NEXT:    bl rint
+; CHECK-LE-NEXT:    nop
+; CHECK-LE-NEXT:    li 3, 48
+; CHECK-LE-NEXT:    # kill: def $f1 killed $f1 def $vsl1
+; CHECK-LE-NEXT:    lxvd2x 0, 1, 3 # 16-byte Folded Reload
+; CHECK-LE-NEXT:    li 3, 64
+; CHECK-LE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; CHECK-LE-NEXT:    xxmrghd 0, 0, 1
+; CHECK-LE-NEXT:    xxswapd 1, 0
+; CHECK-LE-NEXT:    xssubdp 1, 1, 0
+; CHECK-LE-NEXT:    addi 1, 1, 80
+; CHECK-LE-NEXT:    ld 0, 16(1)
+; CHECK-LE-NEXT:    mtlr 0
+; CHECK-LE-NEXT:    blr
+;
+; CHECK-BE-LABEL: splat_swap:
+; CHECK-BE:       # %bb.0:
+; CHECK-BE-NEXT:    mflr 0
+; CHECK-BE-NEXT:    std 0, 16(1)
+; CHECK-BE-NEXT:    stdu 1, -160(1)
+; CHECK-BE-NEXT:    li 3, 144
+; CHECK-BE-NEXT:    stxvd2x 63, 1, 3 # 16-byte Folded Spill
+; CHECK-BE-NEXT:    xvadddp 63, 34, 35
+; CHECK-BE-NEXT:    xxlor 1, 63, 63
+; CHECK-BE-NEXT:    bl rint
+; CHECK-BE-NEXT:    nop
+; CHECK-BE-NEXT:    # kill: def $f1 killed $f1 def $vsl1
+; CHECK-BE-NEXT:    li 3, 128
+; CHECK-BE-NEXT:    stxvd2x 1, 1, 3 # 16-byte Folded Spill
+; CHECK-BE-NEXT:    xxswapd 1, 63
+; CHECK-BE-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
+; CHECK-BE-NEXT:    bl rint
+; CHECK-BE-NEXT:    nop
+; CHECK-BE-NEXT:    li 3, 128
+; CHECK-BE-NEXT:    lxvd2x 0, 1, 3 # 16-byte Folded Reload
+; CHECK-BE-NEXT:    # kill: def $f1 killed $f1 def $vsl1
+; CHECK-BE-NEXT:    li 3, 144
+; CHECK-BE-NEXT:    lxvd2x 63, 1, 3 # 16-byte Folded Reload
+; CHECK-BE-NEXT:    xxmrghd 0, 0, 1
+; CHECK-BE-NEXT:    xxswapd 1, 0
+; CHECK-BE-NEXT:    xssubdp 1, 0, 1
+; CHECK-BE-NEXT:    addi 1, 1, 160
+; CHECK-BE-NEXT:    ld 0, 16(1)
+; CHECK-BE-NEXT:    mtlr 0
+; CHECK-BE-NEXT:    blr
+;
+; CHECK-P9LE-LABEL: splat_swap:
+; CHECK-P9LE:       # %bb.0:
+; CHECK-P9LE-NEXT:    mflr 0
+; CHECK-P9LE-NEXT:    std 0, 16(1)
+; CHECK-P9LE-NEXT:    stdu 1, -64(1)
+; CHECK-P9LE-NEXT:    stxv 63, 48(1) # 16-byte Folded Spill
+; CHECK-P9LE-NEXT:    xvadddp 63, 34, 35
+; CHECK-P9LE-NEXT:    xscpsgndp 1, 63, 63
+; CHECK-P9LE-NEXT:    bl rint
+; CHECK-P9LE-NEXT:    nop
+; CHECK-P9LE-NEXT:    # kill: def $f1 killed $f1 def $vsl1
+; CHECK-P9LE-NEXT:    stxv 1, 32(1) # 16-byte Folded Spill
+; CHECK-P9LE-NEXT:    xxswapd 1, 63
+; CHECK-P9LE-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
+; CHECK-P9LE-NEXT:    bl rint
+; CHECK-P9LE-NEXT:    nop
+; CHECK-P9LE-NEXT:    lxv 0, 32(1) # 16-byte Folded Reload
+; CHECK-P9LE-NEXT:    # kill: def $f1 killed $f1 def $vsl1
+; CHECK-P9LE-NEXT:    xxmrghd 0, 0, 1
+; CHECK-P9LE-NEXT:    lxv 63, 48(1) # 16-byte Folded Reload
+; CHECK-P9LE-NEXT:    xxswapd 1, 0
+; CHECK-P9LE-NEXT:    xssubdp 1, 1, 0
+; CHECK-P9LE-NEXT:    addi 1, 1, 64
+; CHECK-P9LE-NEXT:    ld 0, 16(1)
+; CHECK-P9LE-NEXT:    mtlr 0
+; CHECK-P9LE-NEXT:    blr
+;
+; CHECK-P9BE-LABEL: splat_swap:
+; CHECK-P9BE:       # %bb.0:
+; CHECK-P9BE-NEXT:    mflr 0
+; CHECK-P9BE-NEXT:    std 0, 16(1)
+; CHECK-P9BE-NEXT:    stdu 1, -144(1)
+; CHECK-P9BE-NEXT:    stxv 63, 128(1) # 16-byte Folded Spill
+; CHECK-P9BE-NEXT:    xvadddp 63, 34, 35
+; CHECK-P9BE-NEXT:    xscpsgndp 1, 63, 63
+; CHECK-P9BE-NEXT:    bl rint
+; CHECK-P9BE-NEXT:    nop
+; CHECK-P9BE-NEXT:    # kill: def $f1 killed $f1 def $vsl1
+; CHECK-P9BE-NEXT:    stxv 1, 112(1) # 16-byte Folded Spill
+; CHECK-P9BE-NEXT:    xxswapd 1, 63
+; CHECK-P9BE-NEXT:    # kill: def $f1 killed $f1 killed $vsl1
+; CHECK-P9BE-NEXT:    bl rint
+; CHECK-P9BE-NEXT:    nop
+; CHECK-P9BE-NEXT:    lxv 0, 112(1) # 16-byte Folded Reload
+; CHECK-P9BE-NEXT:    # kill: def $f1 killed $f1 def $vsl1
+; CHECK-P9BE-NEXT:    xxmrghd 0, 0, 1
+; CHECK-P9BE-NEXT:    lxv 63, 128(1) # 16-byte Folded Reload
+; CHECK-P9BE-NEXT:    xxswapd 1, 0
+; CHECK-P9BE-NEXT:    xssubdp 1, 0, 1
+; CHECK-P9BE-NEXT:    addi 1, 1, 144
+; CHECK-P9BE-NEXT:    ld 0, 16(1)
+; CHECK-P9BE-NEXT:    mtlr 0
+; CHECK-P9BE-NEXT:    blr
   %added = fadd <2 x double> %x, %y
   %call = tail call <2 x double> @llvm.rint.v2f64(<2 x double> %added) nounwind readnone
   %res1 = extractelement <2 x double> %call, i32 0
   %res2 = extractelement <2 x double> %call, i32 1
   %ret = fsub double %res1, %res2
   ret double %ret
-
-; CHECK-LE-LABEL: splat_swap:
-; CHECK-LE: xxmrghd [[XREG1:[0-9]+]], [[XREG1]], [[XREG2:[0-9]+]]
-; CHECK-LE-NEXT: xxswapd [[XREG2]], [[XREG1]]
-; CHECK-LE-NEXT: xssubdp [[XREG2]], [[XREG2]], [[XREG1]]
-; CHECK-LE-NEXT: addi [[REG1:[0-9]+]], [[REG1]], {{[0-9]+}}
-;
-; CHECK-BE-LABEL: splat_swap:
-; CHECK-BE: xxmrghd [[XREG1:[0-9]+]], [[XREG1]], [[XREG2:[0-9]+]]
-; CHECK-BE-NEXT: xxswapd [[XREG2]], [[XREG1]]
-; CHECK-BE-NEXT: xssubdp [[XREG2]], [[XREG1]], [[XREG2]]
-; CHECK-BE-NEXT: addi [[REG1:[0-9]+]], [[REG1]], {{[0-9]+}}
-;
-; CHECK-P9LE-LABEL: splat_swap:
-; CHECK-P9LE-DAG: xxmrghd [[XREG1:[0-9]+]], [[XREG1]], [[XREG2:[0-9]+]]
-; CHECK-P9LE: xxswapd [[XREG2]], [[XREG1]]
-; CHECK-P9LE-NEXT: xssubdp [[XREG2]], [[XREG2]], [[XREG1]]
-; CHECK-P9LE-NEXT: addi [[REG1:[0-9]+]], [[REG1]], {{[0-9]+}}
-;
-; CHECK-P9BE-LABEL: splat_swap:
-; CHECK-P9BE-DAG: xxmrghd [[XREG1:[0-9]+]], [[XREG1]], [[XREG2:[0-9]+]]
-; CHECK-P9BE: xxswapd [[XREG2]], [[XREG1]]
-; CHECK-P9BE-NEXT: xssubdp [[XREG2]], [[XREG1]], [[XREG2]]
-; CHECK-P9BE-NEXT: addi [[REG1:[0-9]+]], [[REG1]], {{[0-9]+}}
 }
 
 declare <2 x double> @llvm.rint.v2f64(<2 x double>)