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048458f94c
Using the nonans FMF and the DAG.isKnownNeverNaN on the inputs. Reviewed By: fakepaper56 Differential Revision: https://reviews.llvm.org/D156748
193 lines
6.3 KiB
LLVM
193 lines
6.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+zfh \
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; RUN: -verify-machineinstrs -target-abi ilp32f | \
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; RUN: FileCheck -check-prefixes=CHECKIZFH %s
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; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+zfh \
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; RUN: -verify-machineinstrs -target-abi lp64f | \
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; RUN: FileCheck -check-prefixes=CHECKIZFH %s
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; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+zhinx \
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; RUN: -verify-machineinstrs -target-abi ilp32 | \
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; RUN: FileCheck -check-prefixes=CHECKIZHINX %s
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; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+zhinx \
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; RUN: -verify-machineinstrs -target-abi lp64 | \
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; RUN: FileCheck -check-prefixes=CHECKIZHINX %s
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declare half @llvm.minimum.f16(half, half)
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define half @fminimum_f16(half %a, half %b) nounwind {
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; CHECKIZFH-LABEL: fminimum_f16:
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; CHECKIZFH: # %bb.0:
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; CHECKIZFH-NEXT: feq.h a0, fa0, fa0
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; CHECKIZFH-NEXT: fmv.h fa5, fa1
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; CHECKIZFH-NEXT: beqz a0, .LBB0_3
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; CHECKIZFH-NEXT: # %bb.1:
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; CHECKIZFH-NEXT: feq.h a0, fa1, fa1
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; CHECKIZFH-NEXT: beqz a0, .LBB0_4
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; CHECKIZFH-NEXT: .LBB0_2:
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; CHECKIZFH-NEXT: fmin.h fa0, fa0, fa5
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; CHECKIZFH-NEXT: ret
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; CHECKIZFH-NEXT: .LBB0_3:
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; CHECKIZFH-NEXT: fmv.h fa5, fa0
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; CHECKIZFH-NEXT: feq.h a0, fa1, fa1
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; CHECKIZFH-NEXT: bnez a0, .LBB0_2
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; CHECKIZFH-NEXT: .LBB0_4:
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; CHECKIZFH-NEXT: fmin.h fa0, fa1, fa5
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; CHECKIZFH-NEXT: ret
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;
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; CHECKIZHINX-LABEL: fminimum_f16:
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; CHECKIZHINX: # %bb.0:
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; CHECKIZHINX-NEXT: feq.h a3, a0, a0
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; CHECKIZHINX-NEXT: mv a2, a1
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; CHECKIZHINX-NEXT: beqz a3, .LBB0_3
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; CHECKIZHINX-NEXT: # %bb.1:
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; CHECKIZHINX-NEXT: feq.h a3, a1, a1
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; CHECKIZHINX-NEXT: beqz a3, .LBB0_4
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; CHECKIZHINX-NEXT: .LBB0_2:
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; CHECKIZHINX-NEXT: fmin.h a0, a0, a2
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; CHECKIZHINX-NEXT: ret
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; CHECKIZHINX-NEXT: .LBB0_3:
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; CHECKIZHINX-NEXT: mv a2, a0
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; CHECKIZHINX-NEXT: feq.h a3, a1, a1
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; CHECKIZHINX-NEXT: bnez a3, .LBB0_2
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; CHECKIZHINX-NEXT: .LBB0_4:
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; CHECKIZHINX-NEXT: fmin.h a0, a1, a2
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; CHECKIZHINX-NEXT: ret
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%1 = call half @llvm.minimum.f16(half %a, half %b)
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ret half %1
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}
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declare half @llvm.maximum.f16(half, half)
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define half @fmaximum_f16(half %a, half %b) nounwind {
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; CHECKIZFH-LABEL: fmaximum_f16:
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; CHECKIZFH: # %bb.0:
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; CHECKIZFH-NEXT: feq.h a0, fa0, fa0
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; CHECKIZFH-NEXT: fmv.h fa5, fa1
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; CHECKIZFH-NEXT: beqz a0, .LBB1_3
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; CHECKIZFH-NEXT: # %bb.1:
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; CHECKIZFH-NEXT: feq.h a0, fa1, fa1
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; CHECKIZFH-NEXT: beqz a0, .LBB1_4
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; CHECKIZFH-NEXT: .LBB1_2:
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; CHECKIZFH-NEXT: fmax.h fa0, fa0, fa5
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; CHECKIZFH-NEXT: ret
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; CHECKIZFH-NEXT: .LBB1_3:
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; CHECKIZFH-NEXT: fmv.h fa5, fa0
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; CHECKIZFH-NEXT: feq.h a0, fa1, fa1
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; CHECKIZFH-NEXT: bnez a0, .LBB1_2
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; CHECKIZFH-NEXT: .LBB1_4:
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; CHECKIZFH-NEXT: fmax.h fa0, fa1, fa5
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; CHECKIZFH-NEXT: ret
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;
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; CHECKIZHINX-LABEL: fmaximum_f16:
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; CHECKIZHINX: # %bb.0:
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; CHECKIZHINX-NEXT: feq.h a3, a0, a0
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; CHECKIZHINX-NEXT: mv a2, a1
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; CHECKIZHINX-NEXT: beqz a3, .LBB1_3
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; CHECKIZHINX-NEXT: # %bb.1:
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; CHECKIZHINX-NEXT: feq.h a3, a1, a1
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; CHECKIZHINX-NEXT: beqz a3, .LBB1_4
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; CHECKIZHINX-NEXT: .LBB1_2:
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; CHECKIZHINX-NEXT: fmax.h a0, a0, a2
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; CHECKIZHINX-NEXT: ret
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; CHECKIZHINX-NEXT: .LBB1_3:
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; CHECKIZHINX-NEXT: mv a2, a0
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; CHECKIZHINX-NEXT: feq.h a3, a1, a1
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; CHECKIZHINX-NEXT: bnez a3, .LBB1_2
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; CHECKIZHINX-NEXT: .LBB1_4:
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; CHECKIZHINX-NEXT: fmax.h a0, a1, a2
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; CHECKIZHINX-NEXT: ret
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%1 = call half @llvm.maximum.f16(half %a, half %b)
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ret half %1
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}
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define half @fminimum_nnan_f16(half %a, half %b) nounwind {
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; CHECKIZFH-LABEL: fminimum_nnan_f16:
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; CHECKIZFH: # %bb.0:
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; CHECKIZFH-NEXT: fmin.h fa0, fa0, fa1
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; CHECKIZFH-NEXT: ret
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;
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; CHECKIZHINX-LABEL: fminimum_nnan_f16:
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; CHECKIZHINX: # %bb.0:
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; CHECKIZHINX-NEXT: fmin.h a0, a0, a1
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; CHECKIZHINX-NEXT: ret
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%1 = call nnan half @llvm.minimum.f16(half %a, half %b)
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ret half %1
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}
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define half @fmaximum_nnan_f16(half %a, half %b) nounwind {
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; CHECKIZFH-LABEL: fmaximum_nnan_f16:
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; CHECKIZFH: # %bb.0:
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; CHECKIZFH-NEXT: fmax.h fa0, fa0, fa1
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; CHECKIZFH-NEXT: ret
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;
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; CHECKIZHINX-LABEL: fmaximum_nnan_f16:
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; CHECKIZHINX: # %bb.0:
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; CHECKIZHINX-NEXT: fmax.h a0, a0, a1
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; CHECKIZHINX-NEXT: ret
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%1 = call nnan half @llvm.maximum.f16(half %a, half %b)
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ret half %1
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}
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define half @fminimum_nnan_attr_f16(half %a, half %b) nounwind "no-nans-fp-math"="true" {
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; CHECKIZFH-LABEL: fminimum_nnan_attr_f16:
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; CHECKIZFH: # %bb.0:
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; CHECKIZFH-NEXT: fmin.h fa0, fa0, fa1
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; CHECKIZFH-NEXT: ret
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;
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; CHECKIZHINX-LABEL: fminimum_nnan_attr_f16:
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; CHECKIZHINX: # %bb.0:
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; CHECKIZHINX-NEXT: fmin.h a0, a0, a1
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; CHECKIZHINX-NEXT: ret
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%1 = call half @llvm.minimum.f16(half %a, half %b)
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ret half %1
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}
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define half @fminimum_nnan_op_f16(half %a, half %b) nounwind {
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; CHECKIZFH-LABEL: fminimum_nnan_op_f16:
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; CHECKIZFH: # %bb.0:
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; CHECKIZFH-NEXT: feq.h a0, fa0, fa0
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; CHECKIZFH-NEXT: bnez a0, .LBB5_2
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; CHECKIZFH-NEXT: # %bb.1:
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; CHECKIZFH-NEXT: fmin.h fa0, fa0, fa0
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; CHECKIZFH-NEXT: ret
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; CHECKIZFH-NEXT: .LBB5_2:
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; CHECKIZFH-NEXT: fadd.h fa5, fa0, fa0
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; CHECKIZFH-NEXT: fmin.h fa0, fa0, fa5
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; CHECKIZFH-NEXT: ret
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;
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; CHECKIZHINX-LABEL: fminimum_nnan_op_f16:
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; CHECKIZHINX: # %bb.0:
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; CHECKIZHINX-NEXT: feq.h a1, a0, a0
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; CHECKIZHINX-NEXT: bnez a1, .LBB5_2
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; CHECKIZHINX-NEXT: # %bb.1:
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; CHECKIZHINX-NEXT: fmin.h a0, a0, a0
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; CHECKIZHINX-NEXT: ret
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; CHECKIZHINX-NEXT: .LBB5_2:
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; CHECKIZHINX-NEXT: fadd.h a1, a0, a0
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; CHECKIZHINX-NEXT: fmin.h a0, a0, a1
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; CHECKIZHINX-NEXT: ret
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%c = fadd nnan half %a, %a
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%1 = call half @llvm.minimum.f16(half %a, half %c)
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ret half %1
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}
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define half @fmaximum_nnan_op_f16(half %a, half %b) nounwind {
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; CHECKIZFH-LABEL: fmaximum_nnan_op_f16:
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; CHECKIZFH: # %bb.0:
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; CHECKIZFH-NEXT: fadd.h fa5, fa0, fa1
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; CHECKIZFH-NEXT: fsub.h fa4, fa0, fa1
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; CHECKIZFH-NEXT: fmax.h fa0, fa5, fa4
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; CHECKIZFH-NEXT: ret
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;
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; CHECKIZHINX-LABEL: fmaximum_nnan_op_f16:
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; CHECKIZHINX: # %bb.0:
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; CHECKIZHINX-NEXT: fadd.h a2, a0, a1
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; CHECKIZHINX-NEXT: fsub.h a0, a0, a1
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; CHECKIZHINX-NEXT: fmax.h a0, a2, a0
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; CHECKIZHINX-NEXT: ret
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%c = fadd nnan half %a, %b
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%d = fsub nnan half %a, %b
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%1 = call half @llvm.maximum.f16(half %c, half %d)
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ret half %1
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}
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