; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s | FileCheck %s ; The complex floating value will be returned by a single register for LP64 ABI. ; The test case check that the real part returned by __addsf3 will be ; cleared upper bits by shifts to avoid corrupting the imaginary part. define i64 @complex_float_add(i64 %a.coerce, i64 %b.coerce) nounwind { ; CHECK-LABEL: complex_float_add: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: addi sp, sp, -32 ; CHECK-NEXT: sd ra, 24(sp) # 8-byte Folded Spill ; CHECK-NEXT: sd s0, 16(sp) # 8-byte Folded Spill ; CHECK-NEXT: sd s1, 8(sp) # 8-byte Folded Spill ; CHECK-NEXT: sd s2, 0(sp) # 8-byte Folded Spill ; CHECK-NEXT: srli s0, a0, 32 ; CHECK-NEXT: srli s1, a1, 32 ; CHECK-NEXT: call __addsf3@plt ; CHECK-NEXT: mv s2, a0 ; CHECK-NEXT: mv a0, s0 ; CHECK-NEXT: mv a1, s1 ; CHECK-NEXT: call __addsf3@plt ; CHECK-NEXT: slli a0, a0, 32 ; CHECK-NEXT: slli a1, s2, 32 ; CHECK-NEXT: srli a1, a1, 32 ; CHECK-NEXT: or a0, a0, a1 ; CHECK-NEXT: ld ra, 24(sp) # 8-byte Folded Reload ; CHECK-NEXT: ld s0, 16(sp) # 8-byte Folded Reload ; CHECK-NEXT: ld s1, 8(sp) # 8-byte Folded Reload ; CHECK-NEXT: ld s2, 0(sp) # 8-byte Folded Reload ; CHECK-NEXT: addi sp, sp, 32 ; CHECK-NEXT: ret entry: %a.sroa.0.0.extract.trunc = trunc i64 %a.coerce to i32 %0 = bitcast i32 %a.sroa.0.0.extract.trunc to float %a.sroa.2.0.extract.shift = lshr i64 %a.coerce, 32 %a.sroa.2.0.extract.trunc = trunc i64 %a.sroa.2.0.extract.shift to i32 %1 = bitcast i32 %a.sroa.2.0.extract.trunc to float %b.sroa.0.0.extract.trunc = trunc i64 %b.coerce to i32 %2 = bitcast i32 %b.sroa.0.0.extract.trunc to float %b.sroa.2.0.extract.shift = lshr i64 %b.coerce, 32 %b.sroa.2.0.extract.trunc = trunc i64 %b.sroa.2.0.extract.shift to i32 %3 = bitcast i32 %b.sroa.2.0.extract.trunc to float %add.r = fadd float %0, %2 %add.i = fadd float %1, %3 %4 = bitcast float %add.r to i32 %5 = bitcast float %add.i to i32 %retval.sroa.2.0.insert.ext = zext i32 %5 to i64 %retval.sroa.2.0.insert.shift = shl nuw i64 %retval.sroa.2.0.insert.ext, 32 %retval.sroa.0.0.insert.ext = zext i32 %4 to i64 %retval.sroa.0.0.insert.insert = or i64 %retval.sroa.2.0.insert.shift, %retval.sroa.0.0.insert.ext ret i64 %retval.sroa.0.0.insert.insert }