1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=riscv64 -mattr=+f -target-abi=lp64f -verify-machineinstrs < %s \
3 ; RUN: -disable-strictnode-mutation | FileCheck %s -check-prefix=RV64IF
5 ; This file exhaustively checks float<->i32 conversions. In general,
6 ; fcvt.l[u].s can be selected instead of fcvt.w[u].s because poison is
7 ; generated for an fpto[s|u]i conversion if the result doesn't fit in the
10 define i32 @aext_fptosi(float %a) nounwind strictfp {
11 ; RV64IF-LABEL: aext_fptosi:
13 ; RV64IF-NEXT: fcvt.w.s a0, fa0, rtz
15 %1 = call i32 @llvm.experimental.constrained.fptosi.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
18 declare i32 @llvm.experimental.constrained.fptosi.i32.f32(float, metadata)
20 define signext i32 @sext_fptosi(float %a) nounwind strictfp {
21 ; RV64IF-LABEL: sext_fptosi:
23 ; RV64IF-NEXT: fcvt.w.s a0, fa0, rtz
25 %1 = call i32 @llvm.experimental.constrained.fptosi.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
29 define zeroext i32 @zext_fptosi(float %a) nounwind strictfp {
30 ; RV64IF-LABEL: zext_fptosi:
32 ; RV64IF-NEXT: fcvt.w.s a0, fa0, rtz
33 ; RV64IF-NEXT: slli a0, a0, 32
34 ; RV64IF-NEXT: srli a0, a0, 32
36 %1 = call i32 @llvm.experimental.constrained.fptosi.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
40 define i32 @aext_fptoui(float %a) nounwind strictfp {
41 ; RV64IF-LABEL: aext_fptoui:
43 ; RV64IF-NEXT: fcvt.wu.s a0, fa0, rtz
45 %1 = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
48 declare i32 @llvm.experimental.constrained.fptoui.i32.f32(float, metadata)
50 define signext i32 @sext_fptoui(float %a) nounwind strictfp {
51 ; RV64IF-LABEL: sext_fptoui:
53 ; RV64IF-NEXT: fcvt.wu.s a0, fa0, rtz
55 %1 = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
59 define zeroext i32 @zext_fptoui(float %a) nounwind strictfp {
60 ; RV64IF-LABEL: zext_fptoui:
62 ; RV64IF-NEXT: fcvt.lu.s a0, fa0, rtz
64 %1 = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %a, metadata !"fpexcept.strict") strictfp
68 define float @uitofp_aext_i32_to_f32(i32 %a) nounwind strictfp {
69 ; RV64IF-LABEL: uitofp_aext_i32_to_f32:
71 ; RV64IF-NEXT: fcvt.s.wu fa0, a0
73 %1 = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
76 declare float @llvm.experimental.constrained.uitofp.f32.i32(i32 %a, metadata, metadata)
78 define float @uitofp_sext_i32_to_f32(i32 signext %a) nounwind strictfp {
79 ; RV64IF-LABEL: uitofp_sext_i32_to_f32:
81 ; RV64IF-NEXT: fcvt.s.wu fa0, a0
83 %1 = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
87 define float @uitofp_zext_i32_to_f32(i32 zeroext %a) nounwind strictfp {
88 ; RV64IF-LABEL: uitofp_zext_i32_to_f32:
90 ; RV64IF-NEXT: fcvt.s.wu fa0, a0
92 %1 = call float @llvm.experimental.constrained.uitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
96 define float @sitofp_aext_i32_to_f32(i32 %a) nounwind strictfp {
97 ; RV64IF-LABEL: sitofp_aext_i32_to_f32:
99 ; RV64IF-NEXT: fcvt.s.w fa0, a0
101 %1 = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
104 declare float @llvm.experimental.constrained.sitofp.f32.i32(i32, metadata, metadata)
106 define float @sitofp_sext_i32_to_f32(i32 signext %a) nounwind strictfp {
107 ; RV64IF-LABEL: sitofp_sext_i32_to_f32:
109 ; RV64IF-NEXT: fcvt.s.w fa0, a0
111 %1 = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
115 define float @sitofp_zext_i32_to_f32(i32 zeroext %a) nounwind strictfp {
116 ; RV64IF-LABEL: sitofp_zext_i32_to_f32:
118 ; RV64IF-NEXT: fcvt.s.w fa0, a0
120 %1 = call float @llvm.experimental.constrained.sitofp.f32.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp