forked from OSchip/llvm-project
135 lines
5.0 KiB
LLVM
135 lines
5.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
|
|
; RUN: llc -mtriple=riscv64 -mattr=+f -verify-machineinstrs < %s \
|
|
; RUN: -disable-strictnode-mutation | FileCheck %s -check-prefix=RV64IF
|
|
|
|
; This file exhaustively checks float<->i32 conversions. In general,
|
|
; fcvt.l[u].s can be selected instead of fcvt.w[u].s because poison is
|
|
; generated for an fpto[s|u]i conversion if the result doesn't fit in the
|
|
; target type.
|
|
|
|
define i32 @aext_fptosi(float %a) nounwind strictfp {
|
|
; RV64IF-LABEL: aext_fptosi:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fmv.w.x ft0, a0
|
|
; RV64IF-NEXT: fcvt.w.s a0, ft0, rtz
|
|
; RV64IF-NEXT: ret
|
|
%1 = call i32 @llvm.experimental.constrained.fptosi.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
|
|
ret i32 %1
|
|
}
|
|
declare i32 @llvm.experimental.constrained.fptosi.i32.f32(float, metadata)
|
|
|
|
define signext i32 @sext_fptosi(float %a) nounwind strictfp {
|
|
; RV64IF-LABEL: sext_fptosi:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fmv.w.x ft0, a0
|
|
; RV64IF-NEXT: fcvt.w.s a0, ft0, rtz
|
|
; RV64IF-NEXT: ret
|
|
%1 = call i32 @llvm.experimental.constrained.fptosi.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
|
|
ret i32 %1
|
|
}
|
|
|
|
define zeroext i32 @zext_fptosi(float %a) nounwind strictfp {
|
|
; RV64IF-LABEL: zext_fptosi:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fmv.w.x ft0, a0
|
|
; RV64IF-NEXT: fcvt.w.s a0, ft0, rtz
|
|
; RV64IF-NEXT: slli a0, a0, 32
|
|
; RV64IF-NEXT: srli a0, a0, 32
|
|
; RV64IF-NEXT: ret
|
|
%1 = call i32 @llvm.experimental.constrained.fptosi.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
|
|
ret i32 %1
|
|
}
|
|
|
|
define i32 @aext_fptoui(float %a) nounwind strictfp {
|
|
; RV64IF-LABEL: aext_fptoui:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fmv.w.x ft0, a0
|
|
; RV64IF-NEXT: fcvt.wu.s a0, ft0, rtz
|
|
; RV64IF-NEXT: ret
|
|
%1 = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
|
|
ret i32 %1
|
|
}
|
|
declare i32 @llvm.experimental.constrained.fptoui.i32.f32(float, metadata)
|
|
|
|
define signext i32 @sext_fptoui(float %a) nounwind strictfp {
|
|
; RV64IF-LABEL: sext_fptoui:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fmv.w.x ft0, a0
|
|
; RV64IF-NEXT: fcvt.wu.s a0, ft0, rtz
|
|
; RV64IF-NEXT: ret
|
|
%1 = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
|
|
ret i32 %1
|
|
}
|
|
|
|
define zeroext i32 @zext_fptoui(float %a) nounwind strictfp {
|
|
; RV64IF-LABEL: zext_fptoui:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fmv.w.x ft0, a0
|
|
; RV64IF-NEXT: fcvt.lu.s a0, ft0, rtz
|
|
; RV64IF-NEXT: ret
|
|
%1 = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
|
|
ret i32 %1
|
|
}
|
|
|
|
define float @uitofp_aext_i32_to_f32(i32 %a) nounwind strictfp {
|
|
; RV64IF-LABEL: uitofp_aext_i32_to_f32:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fcvt.s.wu ft0, a0
|
|
; RV64IF-NEXT: fmv.x.w a0, ft0
|
|
; RV64IF-NEXT: ret
|
|
%1 = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|
|
declare float @llvm.experimental.constrained.uitofp.f32.i32(i32 %a, metadata, metadata)
|
|
|
|
define float @uitofp_sext_i32_to_f32(i32 signext %a) nounwind strictfp {
|
|
; RV64IF-LABEL: uitofp_sext_i32_to_f32:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fcvt.s.wu ft0, a0
|
|
; RV64IF-NEXT: fmv.x.w a0, ft0
|
|
; RV64IF-NEXT: ret
|
|
%1 = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|
|
|
|
define float @uitofp_zext_i32_to_f32(i32 zeroext %a) nounwind strictfp {
|
|
; RV64IF-LABEL: uitofp_zext_i32_to_f32:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fcvt.s.wu ft0, a0
|
|
; RV64IF-NEXT: fmv.x.w a0, ft0
|
|
; RV64IF-NEXT: ret
|
|
%1 = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|
|
|
|
define float @sitofp_aext_i32_to_f32(i32 %a) nounwind strictfp {
|
|
; RV64IF-LABEL: sitofp_aext_i32_to_f32:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fcvt.s.w ft0, a0
|
|
; RV64IF-NEXT: fmv.x.w a0, ft0
|
|
; RV64IF-NEXT: ret
|
|
%1 = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|
|
declare float @llvm.experimental.constrained.sitofp.f32.i32(i32, metadata, metadata)
|
|
|
|
define float @sitofp_sext_i32_to_f32(i32 signext %a) nounwind strictfp {
|
|
; RV64IF-LABEL: sitofp_sext_i32_to_f32:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fcvt.s.w ft0, a0
|
|
; RV64IF-NEXT: fmv.x.w a0, ft0
|
|
; RV64IF-NEXT: ret
|
|
%1 = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|
|
|
|
define float @sitofp_zext_i32_to_f32(i32 zeroext %a) nounwind strictfp {
|
|
; RV64IF-LABEL: sitofp_zext_i32_to_f32:
|
|
; RV64IF: # %bb.0:
|
|
; RV64IF-NEXT: fcvt.s.w ft0, a0
|
|
; RV64IF-NEXT: fmv.x.w a0, ft0
|
|
; RV64IF-NEXT: ret
|
|
%1 = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
|
|
ret float %1
|
|
}
|