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1d40e19d4b
As part of this, add support for load/store from the constant pool. This is used to materialise f32 constants. llvm-svn: 327979
28 lines
848 B
LLVM
28 lines
848 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV32IF %s
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define float @float_imm() nounwind {
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; RV32IF-LABEL: float_imm:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: lui a0, 263313
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; RV32IF-NEXT: addi a0, a0, -37
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; RV32IF-NEXT: ret
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ret float 3.14159274101257324218750
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}
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define float @float_imm_op(float %a) nounwind {
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; TODO: addi should be folded in to the flw
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; RV32IF-LABEL: float_imm_op:
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; RV32IF: # %bb.0:
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; RV32IF-NEXT: fmv.w.x ft0, a0
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; RV32IF-NEXT: lui a0, %hi(.LCPI1_0)
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; RV32IF-NEXT: addi a0, a0, %lo(.LCPI1_0)
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; RV32IF-NEXT: flw ft1, 0(a0)
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; RV32IF-NEXT: fadd.s ft0, ft0, ft1
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; RV32IF-NEXT: fmv.x.w a0, ft0
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; RV32IF-NEXT: ret
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%1 = fadd float %a, 1.0
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ret float %1
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}
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