diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 6eae756b25fb5..8ca3e714c32c2 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -498,7 +498,7 @@ RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM,
     setOperationAction({ISD::FREM, ISD::FPOW, ISD::FPOWI,
                         ISD::FCOS, ISD::FSIN, ISD::FSINCOS, ISD::FEXP,
                         ISD::FEXP2, ISD::FEXP10, ISD::FLOG, ISD::FLOG2,
-                        ISD::FLOG10},
+                        ISD::FLOG10, ISD::FLDEXP},
                        MVT::f16, Promote);
 
     // FIXME: Need to promote f16 STRICT_* to f32 libcalls, but we don't have
diff --git a/llvm/test/CodeGen/RISCV/double-intrinsics.ll b/llvm/test/CodeGen/RISCV/double-intrinsics.ll
index 3ef128ed6d4cd..e9fca47c87e6b 100644
--- a/llvm/test/CodeGen/RISCV/double-intrinsics.ll
+++ b/llvm/test/CodeGen/RISCV/double-intrinsics.ll
@@ -1637,3 +1637,56 @@ define double @minimumnum_double(double %x, double %y) {
   %z = call double @llvm.minimumnum.f64(double %x, double %y)
   ret double %z
 }
+
+define double @ldexp_double(double %x, i32 signext %y) nounwind {
+; RV32IFD-LABEL: ldexp_double:
+; RV32IFD:       # %bb.0:
+; RV32IFD-NEXT:    tail ldexp
+;
+; RV64IFD-LABEL: ldexp_double:
+; RV64IFD:       # %bb.0:
+; RV64IFD-NEXT:    addi sp, sp, -16
+; RV64IFD-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64IFD-NEXT:    call ldexp
+; RV64IFD-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64IFD-NEXT:    addi sp, sp, 16
+; RV64IFD-NEXT:    ret
+;
+; RV32IZFINXZDINX-LABEL: ldexp_double:
+; RV32IZFINXZDINX:       # %bb.0:
+; RV32IZFINXZDINX-NEXT:    addi sp, sp, -16
+; RV32IZFINXZDINX-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; RV32IZFINXZDINX-NEXT:    call ldexp
+; RV32IZFINXZDINX-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; RV32IZFINXZDINX-NEXT:    addi sp, sp, 16
+; RV32IZFINXZDINX-NEXT:    ret
+;
+; RV64IZFINXZDINX-LABEL: ldexp_double:
+; RV64IZFINXZDINX:       # %bb.0:
+; RV64IZFINXZDINX-NEXT:    addi sp, sp, -16
+; RV64IZFINXZDINX-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64IZFINXZDINX-NEXT:    call ldexp
+; RV64IZFINXZDINX-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64IZFINXZDINX-NEXT:    addi sp, sp, 16
+; RV64IZFINXZDINX-NEXT:    ret
+;
+; RV32I-LABEL: ldexp_double:
+; RV32I:       # %bb.0:
+; RV32I-NEXT:    addi sp, sp, -16
+; RV32I-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; RV32I-NEXT:    call ldexp
+; RV32I-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; RV32I-NEXT:    addi sp, sp, 16
+; RV32I-NEXT:    ret
+;
+; RV64I-LABEL: ldexp_double:
+; RV64I:       # %bb.0:
+; RV64I-NEXT:    addi sp, sp, -16
+; RV64I-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64I-NEXT:    call ldexp
+; RV64I-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64I-NEXT:    addi sp, sp, 16
+; RV64I-NEXT:    ret
+  %z = call double @llvm.ldexp.f64.i32(double %x, i32 %y)
+  ret double %z
+}
diff --git a/llvm/test/CodeGen/RISCV/float-intrinsics.ll b/llvm/test/CodeGen/RISCV/float-intrinsics.ll
index 37381aeeb2a0f..ead777647d532 100644
--- a/llvm/test/CodeGen/RISCV/float-intrinsics.ll
+++ b/llvm/test/CodeGen/RISCV/float-intrinsics.ll
@@ -2242,3 +2242,51 @@ define float @minimumnum_float(float %x, float %y) {
   %z = call float @llvm.minimumnum.f32(float %x, float %y)
   ret float %z
 }
+
+define float @ldexp_float(float %x, i32 signext %y) nounwind {
+; RV32IF-LABEL: ldexp_float:
+; RV32IF:       # %bb.0:
+; RV32IF-NEXT:    tail ldexpf
+;
+; RV32IZFINX-LABEL: ldexp_float:
+; RV32IZFINX:       # %bb.0:
+; RV32IZFINX-NEXT:    tail ldexpf
+;
+; RV64IF-LABEL: ldexp_float:
+; RV64IF:       # %bb.0:
+; RV64IF-NEXT:    addi sp, sp, -16
+; RV64IF-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64IF-NEXT:    call ldexpf
+; RV64IF-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64IF-NEXT:    addi sp, sp, 16
+; RV64IF-NEXT:    ret
+;
+; RV64IZFINX-LABEL: ldexp_float:
+; RV64IZFINX:       # %bb.0:
+; RV64IZFINX-NEXT:    addi sp, sp, -16
+; RV64IZFINX-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64IZFINX-NEXT:    call ldexpf
+; RV64IZFINX-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64IZFINX-NEXT:    addi sp, sp, 16
+; RV64IZFINX-NEXT:    ret
+;
+; RV32I-LABEL: ldexp_float:
+; RV32I:       # %bb.0:
+; RV32I-NEXT:    addi sp, sp, -16
+; RV32I-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; RV32I-NEXT:    call ldexpf
+; RV32I-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; RV32I-NEXT:    addi sp, sp, 16
+; RV32I-NEXT:    ret
+;
+; RV64I-LABEL: ldexp_float:
+; RV64I:       # %bb.0:
+; RV64I-NEXT:    addi sp, sp, -16
+; RV64I-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64I-NEXT:    call ldexpf
+; RV64I-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64I-NEXT:    addi sp, sp, 16
+; RV64I-NEXT:    ret
+  %z = call float @llvm.ldexp.f32.i32(float %x, i32 %y)
+  ret float %z
+}
diff --git a/llvm/test/CodeGen/RISCV/half-intrinsics.ll b/llvm/test/CodeGen/RISCV/half-intrinsics.ll
index 0d26e660c979b..f18a7dc1c0c6b 100644
--- a/llvm/test/CodeGen/RISCV/half-intrinsics.ll
+++ b/llvm/test/CodeGen/RISCV/half-intrinsics.ll
@@ -3186,3 +3186,129 @@ define half @minimumnum_half(half %x, half %y) {
   %z = call half @llvm.minimumnum.f16(half %x, half %y)
   ret half %z
 }
+
+define half @ldexp_half(half %x, i32 signext %y) nounwind {
+; RV32IZFH-LABEL: ldexp_half:
+; RV32IZFH:       # %bb.0:
+; RV32IZFH-NEXT:    addi sp, sp, -16
+; RV32IZFH-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; RV32IZFH-NEXT:    fcvt.s.h fa0, fa0
+; RV32IZFH-NEXT:    call ldexpf
+; RV32IZFH-NEXT:    fcvt.h.s fa0, fa0
+; RV32IZFH-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; RV32IZFH-NEXT:    addi sp, sp, 16
+; RV32IZFH-NEXT:    ret
+;
+; RV64IZFH-LABEL: ldexp_half:
+; RV64IZFH:       # %bb.0:
+; RV64IZFH-NEXT:    addi sp, sp, -16
+; RV64IZFH-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64IZFH-NEXT:    fcvt.s.h fa0, fa0
+; RV64IZFH-NEXT:    call ldexpf
+; RV64IZFH-NEXT:    fcvt.h.s fa0, fa0
+; RV64IZFH-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64IZFH-NEXT:    addi sp, sp, 16
+; RV64IZFH-NEXT:    ret
+;
+; RV32IZHINX-LABEL: ldexp_half:
+; RV32IZHINX:       # %bb.0:
+; RV32IZHINX-NEXT:    addi sp, sp, -16
+; RV32IZHINX-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; RV32IZHINX-NEXT:    fcvt.s.h a0, a0
+; RV32IZHINX-NEXT:    call ldexpf
+; RV32IZHINX-NEXT:    fcvt.h.s a0, a0
+; RV32IZHINX-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; RV32IZHINX-NEXT:    addi sp, sp, 16
+; RV32IZHINX-NEXT:    ret
+;
+; RV64IZHINX-LABEL: ldexp_half:
+; RV64IZHINX:       # %bb.0:
+; RV64IZHINX-NEXT:    addi sp, sp, -16
+; RV64IZHINX-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64IZHINX-NEXT:    fcvt.s.h a0, a0
+; RV64IZHINX-NEXT:    call ldexpf
+; RV64IZHINX-NEXT:    fcvt.h.s a0, a0
+; RV64IZHINX-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64IZHINX-NEXT:    addi sp, sp, 16
+; RV64IZHINX-NEXT:    ret
+;
+; RV32I-LABEL: ldexp_half:
+; RV32I:       # %bb.0:
+; RV32I-NEXT:    addi sp, sp, -16
+; RV32I-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; RV32I-NEXT:    sw s0, 8(sp) # 4-byte Folded Spill
+; RV32I-NEXT:    mv s0, a1
+; RV32I-NEXT:    slli a0, a0, 16
+; RV32I-NEXT:    srli a0, a0, 16
+; RV32I-NEXT:    call __extendhfsf2
+; RV32I-NEXT:    mv a1, s0
+; RV32I-NEXT:    call ldexpf
+; RV32I-NEXT:    call __truncsfhf2
+; RV32I-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; RV32I-NEXT:    lw s0, 8(sp) # 4-byte Folded Reload
+; RV32I-NEXT:    addi sp, sp, 16
+; RV32I-NEXT:    ret
+;
+; RV64I-LABEL: ldexp_half:
+; RV64I:       # %bb.0:
+; RV64I-NEXT:    addi sp, sp, -16
+; RV64I-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64I-NEXT:    sd s0, 0(sp) # 8-byte Folded Spill
+; RV64I-NEXT:    mv s0, a1
+; RV64I-NEXT:    slli a0, a0, 48
+; RV64I-NEXT:    srli a0, a0, 48
+; RV64I-NEXT:    call __extendhfsf2
+; RV64I-NEXT:    mv a1, s0
+; RV64I-NEXT:    call ldexpf
+; RV64I-NEXT:    call __truncsfhf2
+; RV64I-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64I-NEXT:    ld s0, 0(sp) # 8-byte Folded Reload
+; RV64I-NEXT:    addi sp, sp, 16
+; RV64I-NEXT:    ret
+;
+; RV32IZFHMIN-LABEL: ldexp_half:
+; RV32IZFHMIN:       # %bb.0:
+; RV32IZFHMIN-NEXT:    addi sp, sp, -16
+; RV32IZFHMIN-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; RV32IZFHMIN-NEXT:    fcvt.s.h fa0, fa0
+; RV32IZFHMIN-NEXT:    call ldexpf
+; RV32IZFHMIN-NEXT:    fcvt.h.s fa0, fa0
+; RV32IZFHMIN-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; RV32IZFHMIN-NEXT:    addi sp, sp, 16
+; RV32IZFHMIN-NEXT:    ret
+;
+; RV64IZFHMIN-LABEL: ldexp_half:
+; RV64IZFHMIN:       # %bb.0:
+; RV64IZFHMIN-NEXT:    addi sp, sp, -16
+; RV64IZFHMIN-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64IZFHMIN-NEXT:    fcvt.s.h fa0, fa0
+; RV64IZFHMIN-NEXT:    call ldexpf
+; RV64IZFHMIN-NEXT:    fcvt.h.s fa0, fa0
+; RV64IZFHMIN-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64IZFHMIN-NEXT:    addi sp, sp, 16
+; RV64IZFHMIN-NEXT:    ret
+;
+; RV32IZHINXMIN-LABEL: ldexp_half:
+; RV32IZHINXMIN:       # %bb.0:
+; RV32IZHINXMIN-NEXT:    addi sp, sp, -16
+; RV32IZHINXMIN-NEXT:    sw ra, 12(sp) # 4-byte Folded Spill
+; RV32IZHINXMIN-NEXT:    fcvt.s.h a0, a0
+; RV32IZHINXMIN-NEXT:    call ldexpf
+; RV32IZHINXMIN-NEXT:    fcvt.h.s a0, a0
+; RV32IZHINXMIN-NEXT:    lw ra, 12(sp) # 4-byte Folded Reload
+; RV32IZHINXMIN-NEXT:    addi sp, sp, 16
+; RV32IZHINXMIN-NEXT:    ret
+;
+; RV64IZHINXMIN-LABEL: ldexp_half:
+; RV64IZHINXMIN:       # %bb.0:
+; RV64IZHINXMIN-NEXT:    addi sp, sp, -16
+; RV64IZHINXMIN-NEXT:    sd ra, 8(sp) # 8-byte Folded Spill
+; RV64IZHINXMIN-NEXT:    fcvt.s.h a0, a0
+; RV64IZHINXMIN-NEXT:    call ldexpf
+; RV64IZHINXMIN-NEXT:    fcvt.h.s a0, a0
+; RV64IZHINXMIN-NEXT:    ld ra, 8(sp) # 8-byte Folded Reload
+; RV64IZHINXMIN-NEXT:    addi sp, sp, 16
+; RV64IZHINXMIN-NEXT:    ret
+  %z = call half @llvm.ldexp.f16.i32(half %x, i32 %y)
+  ret half %z
+}