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TheRock/compiler/amd-llvm/llvm/test/CodeGen/SystemZ/shorten-fused-fp-ops.mir
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# RUN: llc -mtriple=s390x-linux-gnu -mcpu=z14 -start-before=postrapseudos %s -o - \
# RUN: | FileCheck %s
#
# Test shortening of fused fp operations.
--- |
define double @fun0(double %f1, double %f2, double %acc) { ret double 0.0 }
...
# CHECK-LABEL: fun0:
# CHECK: madbr %f0, %f4, %f2
# CHECK-NEXT: wfmadb %f0, %f4, %v16, %f0
# CHECK-NEXT: wfmadb %f0, %f4, %f0, %f2
# CHECK-NEXT: maebr %f0, %f4, %f2
# CHECK-NEXT: wfmasb %f0, %f4, %v16, %f0
# CHECK-NEXT: wfmasb %f0, %f4, %f0, %f2
# CHECK-NEXT: msdbr %f0, %f4, %f2
# CHECK-NEXT: wfmsdb %f0, %f4, %v16, %f0
# CHECK-NEXT: wfmsdb %f0, %f4, %f0, %f2
# CHECK-NEXT: msebr %f0, %f4, %f2
# CHECK-NEXT: wfmssb %f0, %f4, %v16, %f0
# CHECK-NEXT: wfmssb %f0, %f4, %f0, %f2
# CHECK-NEXT: br %r14
---
name: fun0
alignment: 16
tracksRegLiveness: true
liveins:
- { reg: '$f0d' }
- { reg: '$f2d' }
- { reg: '$f4d' }
frameInfo:
maxAlignment: 1
maxCallFrameSize: 0
fixedStack:
- { id: 0, offset: -160, size: 8, alignment: 8 }
machineFunctionInfo: {}
body: |
bb.0 (%ir-block.0):
liveins: $f0d, $f2d, $f4d, $f16d
renamable $f0d = nofpexcept WFMADB renamable $f4d, renamable $f2d, renamable $f0d, implicit $fpc
renamable $f0d = nofpexcept WFMADB renamable $f4d, renamable $f16d, renamable $f0d, implicit $fpc
renamable $f0d = nofpexcept WFMADB renamable $f4d, renamable $f0d, renamable $f2d, implicit $fpc
renamable $f0s = nofpexcept WFMASB renamable $f4s, renamable $f2s, renamable $f0s, implicit $fpc
renamable $f0s = nofpexcept WFMASB renamable $f4s, renamable $f16s, renamable $f0s, implicit $fpc
renamable $f0s = nofpexcept WFMASB renamable $f4s, renamable $f0s, renamable $f2s, implicit $fpc
renamable $f0d = nofpexcept WFMSDB renamable $f4d, renamable $f2d, renamable $f0d, implicit $fpc
renamable $f0d = nofpexcept WFMSDB renamable $f4d, renamable $f16d, renamable $f0d, implicit $fpc
renamable $f0d = nofpexcept WFMSDB renamable $f4d, renamable $f0d, renamable $f2d, implicit $fpc
renamable $f0s = nofpexcept WFMSSB renamable $f4s, renamable $f2s, renamable $f0s, implicit $fpc
renamable $f0s = nofpexcept WFMSSB renamable $f4s, renamable $f16s, renamable $f0s, implicit $fpc
renamable $f0s = nofpexcept WFMSSB renamable $f4s, renamable $f0s, renamable $f2s, implicit $fpc
Return implicit $f0d
...