Factorize some code for determining which libcall to use.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53713 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 692158e..1fd9d95 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -163,6 +163,164 @@
Names[RTLIB::O_F64] = "__unorddf2";
}
+/// getFPEXT - Return the FPEXT_*_* value for the given types, or
+/// UNKNOWN_LIBCALL if there is none.
+RTLIB::Libcall RTLIB::getFPEXT(MVT OpVT, MVT RetVT) {
+ if (OpVT == MVT::f32) {
+ if (RetVT == MVT::f64)
+ return FPEXT_F32_F64;
+ }
+ return UNKNOWN_LIBCALL;
+}
+
+/// getFPROUND - Return the FPROUND_*_* value for the given types, or
+/// UNKNOWN_LIBCALL if there is none.
+RTLIB::Libcall RTLIB::getFPROUND(MVT OpVT, MVT RetVT) {
+ if (OpVT == MVT::f64) {
+ if (RetVT == MVT::f32)
+ return FPROUND_F64_F32;
+ }
+ return UNKNOWN_LIBCALL;
+}
+
+/// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or
+/// UNKNOWN_LIBCALL if there is none.
+RTLIB::Libcall RTLIB::getFPTOSINT(MVT OpVT, MVT RetVT) {
+ if (OpVT == MVT::f32) {
+ if (RetVT == MVT::i32)
+ return FPTOSINT_F32_I32;
+ if (RetVT == MVT::i64)
+ return FPTOSINT_F32_I64;
+ if (RetVT == MVT::i128)
+ return FPTOSINT_F32_I128;
+ } else if (OpVT == MVT::f64) {
+ if (RetVT == MVT::i32)
+ return FPTOSINT_F64_I32;
+ if (RetVT == MVT::i64)
+ return FPTOSINT_F64_I64;
+ if (RetVT == MVT::i128)
+ return FPTOSINT_F64_I128;
+ } else if (OpVT == MVT::f80) {
+ if (RetVT == MVT::i32)
+ return FPTOSINT_F80_I32;
+ if (RetVT == MVT::i64)
+ return FPTOSINT_F80_I64;
+ if (RetVT == MVT::i128)
+ return FPTOSINT_F80_I128;
+ } else if (OpVT == MVT::ppcf128) {
+ if (RetVT == MVT::i32)
+ return FPTOSINT_PPCF128_I32;
+ if (RetVT == MVT::i64)
+ return FPTOSINT_PPCF128_I64;
+ if (RetVT == MVT::i128)
+ return FPTOSINT_PPCF128_I128;
+ }
+ return UNKNOWN_LIBCALL;
+}
+
+/// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or
+/// UNKNOWN_LIBCALL if there is none.
+RTLIB::Libcall RTLIB::getFPTOUINT(MVT OpVT, MVT RetVT) {
+ if (OpVT == MVT::f32) {
+ if (RetVT == MVT::i32)
+ return FPTOUINT_F32_I32;
+ if (RetVT == MVT::i64)
+ return FPTOUINT_F32_I64;
+ if (RetVT == MVT::i128)
+ return FPTOUINT_F32_I128;
+ } else if (OpVT == MVT::f64) {
+ if (RetVT == MVT::i32)
+ return FPTOUINT_F64_I32;
+ if (RetVT == MVT::i64)
+ return FPTOUINT_F64_I64;
+ if (RetVT == MVT::i128)
+ return FPTOUINT_F64_I128;
+ } else if (OpVT == MVT::f80) {
+ if (RetVT == MVT::i32)
+ return FPTOUINT_F80_I32;
+ if (RetVT == MVT::i64)
+ return FPTOUINT_F80_I64;
+ if (RetVT == MVT::i128)
+ return FPTOUINT_F80_I128;
+ } else if (OpVT == MVT::ppcf128) {
+ if (RetVT == MVT::i32)
+ return FPTOUINT_PPCF128_I32;
+ if (RetVT == MVT::i64)
+ return FPTOUINT_PPCF128_I64;
+ if (RetVT == MVT::i128)
+ return FPTOUINT_PPCF128_I128;
+ }
+ return UNKNOWN_LIBCALL;
+}
+
+/// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or
+/// UNKNOWN_LIBCALL if there is none.
+RTLIB::Libcall RTLIB::getSINTTOFP(MVT OpVT, MVT RetVT) {
+ if (OpVT == MVT::i32) {
+ if (RetVT == MVT::f32)
+ return SINTTOFP_I32_F32;
+ else if (RetVT == MVT::f64)
+ return SINTTOFP_I32_F64;
+ else if (RetVT == MVT::f80)
+ return SINTTOFP_I32_F80;
+ else if (RetVT == MVT::ppcf128)
+ return SINTTOFP_I32_PPCF128;
+ } else if (OpVT == MVT::i64) {
+ if (RetVT == MVT::f32)
+ return SINTTOFP_I64_F32;
+ else if (RetVT == MVT::f64)
+ return SINTTOFP_I64_F64;
+ else if (RetVT == MVT::f80)
+ return SINTTOFP_I64_F80;
+ else if (RetVT == MVT::ppcf128)
+ return SINTTOFP_I64_PPCF128;
+ } else if (OpVT == MVT::i128) {
+ if (RetVT == MVT::f32)
+ return SINTTOFP_I128_F32;
+ else if (RetVT == MVT::f64)
+ return SINTTOFP_I128_F64;
+ else if (RetVT == MVT::f80)
+ return SINTTOFP_I128_F80;
+ else if (RetVT == MVT::ppcf128)
+ return SINTTOFP_I128_PPCF128;
+ }
+ return UNKNOWN_LIBCALL;
+}
+
+/// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or
+/// UNKNOWN_LIBCALL if there is none.
+RTLIB::Libcall RTLIB::getUINTTOFP(MVT OpVT, MVT RetVT) {
+ if (OpVT == MVT::i32) {
+ if (RetVT == MVT::f32)
+ return UINTTOFP_I32_F32;
+ else if (RetVT == MVT::f64)
+ return UINTTOFP_I32_F64;
+ else if (RetVT == MVT::f80)
+ return UINTTOFP_I32_F80;
+ else if (RetVT == MVT::ppcf128)
+ return UINTTOFP_I32_PPCF128;
+ } else if (OpVT == MVT::i64) {
+ if (RetVT == MVT::f32)
+ return UINTTOFP_I64_F32;
+ else if (RetVT == MVT::f64)
+ return UINTTOFP_I64_F64;
+ else if (RetVT == MVT::f80)
+ return UINTTOFP_I64_F80;
+ else if (RetVT == MVT::ppcf128)
+ return UINTTOFP_I64_PPCF128;
+ } else if (OpVT == MVT::i128) {
+ if (RetVT == MVT::f32)
+ return UINTTOFP_I128_F32;
+ else if (RetVT == MVT::f64)
+ return UINTTOFP_I128_F64;
+ else if (RetVT == MVT::f80)
+ return UINTTOFP_I128_F80;
+ else if (RetVT == MVT::ppcf128)
+ return UINTTOFP_I128_PPCF128;
+ }
+ return UNKNOWN_LIBCALL;
+}
+
/// InitCmpLibcallCCs - Set default comparison libcall CC.
///
static void InitCmpLibcallCCs(ISD::CondCode *CCs) {