62 lines
1.9 KiB
LLVM
62 lines
1.9 KiB
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=RV32F %s
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; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \
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; RUN: | FileCheck -check-prefix=RV64F %s
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@gf = external global float
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define float @constraint_f_float(float %a) nounwind {
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; RV32F-LABEL: constraint_f_float:
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; RV32F: # %bb.0:
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; RV32F-NEXT: lui a1, %hi(gf)
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; RV32F-NEXT: flw ft0, %lo(gf)(a1)
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; RV32F-NEXT: fmv.w.x ft1, a0
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; RV32F-NEXT: #APP
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; RV32F-NEXT: fadd.s ft0, ft1, ft0
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; RV32F-NEXT: #NO_APP
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; RV32F-NEXT: fmv.x.w a0, ft0
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; RV32F-NEXT: ret
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;
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; RV64F-LABEL: constraint_f_float:
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; RV64F: # %bb.0:
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; RV64F-NEXT: lui a1, %hi(gf)
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; RV64F-NEXT: flw ft0, %lo(gf)(a1)
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; RV64F-NEXT: fmv.w.x ft1, a0
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; RV64F-NEXT: #APP
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; RV64F-NEXT: fadd.s ft0, ft1, ft0
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; RV64F-NEXT: #NO_APP
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; RV64F-NEXT: fmv.x.w a0, ft0
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; RV64F-NEXT: ret
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%1 = load float, float* @gf
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%2 = tail call float asm "fadd.s $0, $1, $2", "=f,f,f"(float %a, float %1)
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ret float %2
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}
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define float @constraint_f_float_abi_name(float %a) nounwind {
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; RV32F-LABEL: constraint_f_float_abi_name:
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; RV32F: # %bb.0:
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; RV32F-NEXT: lui a1, %hi(gf)
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; RV32F-NEXT: flw fs0, %lo(gf)(a1)
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; RV32F-NEXT: fmv.w.x fa0, a0
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; RV32F-NEXT: #APP
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; RV32F-NEXT: fadd.s ft0, fa0, fs0
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; RV32F-NEXT: #NO_APP
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; RV32F-NEXT: fmv.x.w a0, ft0
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; RV32F-NEXT: ret
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;
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; RV64F-LABEL: constraint_f_float_abi_name:
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; RV64F: # %bb.0:
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; RV64F-NEXT: lui a1, %hi(gf)
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; RV64F-NEXT: flw fs0, %lo(gf)(a1)
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; RV64F-NEXT: fmv.w.x fa0, a0
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; RV64F-NEXT: #APP
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; RV64F-NEXT: fadd.s ft0, fa0, fs0
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; RV64F-NEXT: #NO_APP
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; RV64F-NEXT: fmv.x.w a0, ft0
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; RV64F-NEXT: ret
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%1 = load float, float* @gf
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%2 = tail call float asm "fadd.s $0, $1, $2", "={ft0},{fa0},{fs0}"(float %a, float %1)
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ret float %2
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}
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