1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi=lp64d \
3 ; RUN: -disable-strictnode-mutation < %s | FileCheck %s -check-prefix=RV64ID
5 ; This file exhaustively checks double<->i32 conversions. In general,
6 ; fcvt.l[u].d can be selected instead of fcvt.w[u].d 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(double %a) nounwind strictfp {
11 ; RV64ID-LABEL: aext_fptosi:
13 ; RV64ID-NEXT: fcvt.w.d a0, fa0, rtz
15 %1 = call i32 @llvm.experimental.constrained.fptosi.i32.f64(double %a, metadata !"fpexcept.strict") strictfp
18 declare i32 @llvm.experimental.constrained.fptosi.i32.f64(double, metadata)
20 define signext i32 @sext_fptosi(double %a) nounwind strictfp {
21 ; RV64ID-LABEL: sext_fptosi:
23 ; RV64ID-NEXT: fcvt.w.d a0, fa0, rtz
25 %1 = call i32 @llvm.experimental.constrained.fptosi.i32.f64(double %a, metadata !"fpexcept.strict") strictfp
29 define zeroext i32 @zext_fptosi(double %a) nounwind strictfp {
30 ; RV64ID-LABEL: zext_fptosi:
32 ; RV64ID-NEXT: fcvt.w.d a0, fa0, rtz
33 ; RV64ID-NEXT: slli a0, a0, 32
34 ; RV64ID-NEXT: srli a0, a0, 32
36 %1 = call i32 @llvm.experimental.constrained.fptosi.i32.f64(double %a, metadata !"fpexcept.strict") strictfp
40 define i32 @aext_fptoui(double %a) nounwind strictfp {
41 ; RV64ID-LABEL: aext_fptoui:
43 ; RV64ID-NEXT: fcvt.wu.d a0, fa0, rtz
45 %1 = call i32 @llvm.experimental.constrained.fptoui.i32.f64(double %a, metadata !"fpexcept.strict") strictfp
48 declare i32 @llvm.experimental.constrained.fptoui.i32.f64(double, metadata)
50 define signext i32 @sext_fptoui(double %a) nounwind strictfp {
51 ; RV64ID-LABEL: sext_fptoui:
53 ; RV64ID-NEXT: fcvt.wu.d a0, fa0, rtz
55 %1 = call i32 @llvm.experimental.constrained.fptoui.i32.f64(double %a, metadata !"fpexcept.strict") strictfp
59 define zeroext i32 @zext_fptoui(double %a) nounwind strictfp {
60 ; RV64ID-LABEL: zext_fptoui:
62 ; RV64ID-NEXT: fcvt.lu.d a0, fa0, rtz
64 %1 = call i32 @llvm.experimental.constrained.fptoui.i32.f64(double %a, metadata !"fpexcept.strict") strictfp
68 define double @uitofp_aext_i32_to_f64(i32 %a) nounwind strictfp {
69 ; RV64ID-LABEL: uitofp_aext_i32_to_f64:
71 ; RV64ID-NEXT: fcvt.d.wu fa0, a0
73 %1 = call double @llvm.experimental.constrained.uitofp.f64.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
76 declare double @llvm.experimental.constrained.uitofp.f64.i32(i32 %a, metadata, metadata)
78 define double @uitofp_sext_i32_to_f64(i32 signext %a) nounwind strictfp {
79 ; RV64ID-LABEL: uitofp_sext_i32_to_f64:
81 ; RV64ID-NEXT: fcvt.d.wu fa0, a0
83 %1 = call double @llvm.experimental.constrained.uitofp.f64.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
87 define double @uitofp_zext_i32_to_f64(i32 zeroext %a) nounwind strictfp {
88 ; RV64ID-LABEL: uitofp_zext_i32_to_f64:
90 ; RV64ID-NEXT: fcvt.d.wu fa0, a0
92 %1 = call double @llvm.experimental.constrained.uitofp.f64.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
96 define double @sitofp_aext_i32_to_f64(i32 %a) nounwind strictfp {
97 ; RV64ID-LABEL: sitofp_aext_i32_to_f64:
99 ; RV64ID-NEXT: fcvt.d.w fa0, a0
101 %1 = call double @llvm.experimental.constrained.sitofp.f64.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
104 declare double @llvm.experimental.constrained.sitofp.f64.i32(i32 %a, metadata, metadata)
106 define double @sitofp_sext_i32_to_f64(i32 signext %a) nounwind strictfp {
107 ; RV64ID-LABEL: sitofp_sext_i32_to_f64:
109 ; RV64ID-NEXT: fcvt.d.w fa0, a0
111 %1 = call double @llvm.experimental.constrained.sitofp.f64.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp
115 define double @sitofp_zext_i32_to_f64(i32 zeroext %a) nounwind strictfp {
116 ; RV64ID-LABEL: sitofp_zext_i32_to_f64:
118 ; RV64ID-NEXT: fcvt.d.w fa0, a0
120 %1 = call double @llvm.experimental.constrained.sitofp.f64.i32(i32 %a, metadata !"round.dynamic", metadata !"fpexcept.strict") strictfp