[RISCV] Remove -target-abi from half-bitmanip-dagcombines.ll.

This should be testing the custom ISD nodes we use for passing
half values in GPRs.

We should optimize these to integer operations, but we currently
don't.

Author: topperc

llvm/test/CodeGen/RISCV/half-bitmanip-dagcombines.ll

@@ -2,13 +2,11 @@
 ; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
 ; RUN:   | FileCheck -check-prefix=RV32I %s
 ; RUN: llc -mtriple=riscv32 -mattr=+experimental-zfh -verify-machineinstrs \
-; RUN:   -target-abi ilp32f < %s \
-; RUN:   | FileCheck -check-prefix=RV32IZFH %s
+; RUN:   < %s | FileCheck -check-prefix=RV32IZFH %s
 ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
 ; RUN:   | FileCheck -check-prefix=RV64I %s
 ; RUN: llc -mtriple=riscv64 -mattr=+experimental-zfh -verify-machineinstrs \
-; RUN:   -target-abi lp64f < %s \
-; RUN:   | FileCheck -check-prefix=RV64IZFH %s
+; RUN:   < %s | FileCheck -check-prefix=RV64IZFH %s
 
 ; This file tests cases where simple floating point operations can be
 ; profitably handled though bit manipulation if a soft-float ABI is being used
@@ -25,7 +23,9 @@ define half @fneg(half %a) nounwind {
 ;
 ; RV32IZFH-LABEL: fneg:
 ; RV32IZFH:       # %bb.0:
-; RV32IZFH-NEXT:    fneg.h fa0, fa0
+; RV32IZFH-NEXT:    fmv.h.x ft0, a0
+; RV32IZFH-NEXT:    fneg.h ft0, ft0
+; RV32IZFH-NEXT:    fmv.x.h a0, ft0
 ; RV32IZFH-NEXT:    ret
 ;
 ; RV64I-LABEL: fneg:
@@ -36,7 +36,9 @@ define half @fneg(half %a) nounwind {
 ;
 ; RV64IZFH-LABEL: fneg:
 ; RV64IZFH:       # %bb.0:
-; RV64IZFH-NEXT:    fneg.h fa0, fa0
+; RV64IZFH-NEXT:    fmv.h.x ft0, a0
+; RV64IZFH-NEXT:    fneg.h ft0, ft0
+; RV64IZFH-NEXT:    fmv.x.h a0, ft0
 ; RV64IZFH-NEXT:    ret
   %1 = fneg half %a
   ret half %1
@@ -54,7 +56,9 @@ define half @fabs(half %a) nounwind {
 ;
 ; RV32IZFH-LABEL: fabs:
 ; RV32IZFH:       # %bb.0:
-; RV32IZFH-NEXT:    fabs.h fa0, fa0
+; RV32IZFH-NEXT:    fmv.h.x ft0, a0
+; RV32IZFH-NEXT:    fabs.h ft0, ft0
+; RV32IZFH-NEXT:    fmv.x.h a0, ft0
 ; RV32IZFH-NEXT:    ret
 ;
 ; RV64I-LABEL: fabs:
@@ -66,7 +70,9 @@ define half @fabs(half %a) nounwind {
 ;
 ; RV64IZFH-LABEL: fabs:
 ; RV64IZFH:       # %bb.0:
-; RV64IZFH-NEXT:    fabs.h fa0, fa0
+; RV64IZFH-NEXT:    fmv.h.x ft0, a0
+; RV64IZFH-NEXT:    fabs.h ft0, ft0
+; RV64IZFH-NEXT:    fmv.x.h a0, ft0
 ; RV64IZFH-NEXT:    ret
   %1 = call half @llvm.fabs.f16(half %a)
   ret half %1
@@ -92,7 +98,10 @@ define half @fcopysign_fneg(half %a, half %b) nounwind {
 ;
 ; RV32IZFH-LABEL: fcopysign_fneg:
 ; RV32IZFH:       # %bb.0:
-; RV32IZFH-NEXT:    fsgnjn.h fa0, fa0, fa1
+; RV32IZFH-NEXT:    fmv.h.x ft0, a1
+; RV32IZFH-NEXT:    fmv.h.x ft1, a0
+; RV32IZFH-NEXT:    fsgnjn.h ft0, ft1, ft0
+; RV32IZFH-NEXT:    fmv.x.h a0, ft0
 ; RV32IZFH-NEXT:    ret
 ;
 ; RV64I-LABEL: fcopysign_fneg:
@@ -108,7 +117,10 @@ define half @fcopysign_fneg(half %a, half %b) nounwind {
 ;
 ; RV64IZFH-LABEL: fcopysign_fneg:
 ; RV64IZFH:       # %bb.0:
-; RV64IZFH-NEXT:    fsgnjn.h fa0, fa0, fa1
+; RV64IZFH-NEXT:    fmv.h.x ft0, a1
+; RV64IZFH-NEXT:    fmv.h.x ft1, a0
+; RV64IZFH-NEXT:    fsgnjn.h ft0, ft1, ft0
+; RV64IZFH-NEXT:    fmv.x.h a0, ft0
 ; RV64IZFH-NEXT:    ret
   %1 = fneg half %b
   %2 = call half @llvm.copysign.f16(half %a, half %1)