[RISCV] Add FP compare test to condops.ll to show a missed opportunity to remove an xori. NFC

[craig.topper]

Summary

This is a case that D155288 won't get.

[asb]

LGTM.

llvm/test/CodeGen/RISCV/condops.ll

 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
-; RUN: llc -mtriple=riscv32 < %s | FileCheck %s -check-prefix=RV32I
-; RUN: llc -mtriple=riscv64 < %s | FileCheck %s -check-prefix=RV64I
-; RUN: llc -mtriple=riscv64 -mattr=+xventanacondops < %s | FileCheck %s -check-prefix=RV64XVENTANACONDOPS
-; RUN: llc -mtriple=riscv64 -mattr=+xtheadcondmov < %s | FileCheck %s -check-prefix=RV64XTHEADCONDMOV
-; RUN: llc -mtriple=riscv32 -mattr=+experimental-zicond < %s | FileCheck %s -check-prefix=RV32ZICOND
-; RUN: llc -mtriple=riscv64 -mattr=+experimental-zicond < %s | FileCheck %s -check-prefix=RV64ZICOND
+; RUN: llc -mtriple=riscv32 -target-abi=ilp32f -mattr=+f < %s | FileCheck %s -check-prefix=RV32I
+; RUN: llc -mtriple=riscv64 -target-abi=lp64f -mattr=+f < %s | FileCheck %s -check-prefix=RV64I
+; RUN: llc -mtriple=riscv64 -target-abi=lp64f -mattr=+f,+xventanacondops < %s | FileCheck %s -check-prefix=RV64XVENTANACONDOPS
+; RUN: llc -mtriple=riscv64 -target-abi=lp64f -mattr=+f,+xtheadcondmov < %s | FileCheck %s -check-prefix=RV64XTHEADCONDMOV
+; RUN: llc -mtriple=riscv32 -target-abi=ilp32f -mattr=+f,+experimental-zicond < %s | FileCheck %s -check-prefix=RV32ZICOND
+; RUN: llc -mtriple=riscv64 -target-abi=lp64f -mattr=+f,+experimental-zicond < %s | FileCheck %s -check-prefix=RV64ZICOND
 
 define i64 @zero1(i64 %rs1, i1 zeroext %rc) {
 ; RV32I-LABEL: zero1:
 ; RV32I:       # %bb.0:
 ; RV32I-NEXT:    neg a2, a2
 ; RV32I-NEXT:    and a0, a2, a0
 ; RV32I-NEXT:    and a1, a2, a1
 ; RV32I-NEXT:    ret
bb2:                                              ; preds = %bb2, %bb
   %i4 = tail call signext i32 @bar(i32 signext %i3)
   %i5 = shl i32 %i3, %arg1
   %i6 = icmp eq i32 %i4, 0
   br i1 %i6, label %bb7, label %bb2
 
 bb7:                                              ; preds = %bb2
   ret void
 }
+
+define i32 @setune_32(float %a, float %b, i32 %rs1, i32 %rs2) {
+; RV32I-LABEL: setune_32:
+; RV32I:       # %bb.0:
+; RV32I-NEXT:    feq.s a2, fa0, fa1
+; RV32I-NEXT:    beqz a2, .LBB56_2
+; RV32I-NEXT:  # %bb.1:
+; RV32I-NEXT:    mv a0, a1
+; RV32I-NEXT:  .LBB56_2:
+; RV32I-NEXT:    ret
+;
+; RV64I-LABEL: setune_32:
+; RV64I:       # %bb.0:
+; RV64I-NEXT:    feq.s a2, fa0, fa1
+; RV64I-NEXT:    beqz a2, .LBB56_2
+; RV64I-NEXT:  # %bb.1:
+; RV64I-NEXT:    mv a0, a1
+; RV64I-NEXT:  .LBB56_2:
+; RV64I-NEXT:    ret
+;
+; RV64XVENTANACONDOPS-LABEL: setune_32:
+; RV64XVENTANACONDOPS:       # %bb.0:
+; RV64XVENTANACONDOPS-NEXT:    feq.s a2, fa0, fa1
+; RV64XVENTANACONDOPS-NEXT:    vt.maskcn a0, a0, a2
+; RV64XVENTANACONDOPS-NEXT:    vt.maskc a1, a1, a2
+; RV64XVENTANACONDOPS-NEXT:    or a0, a1, a0
+; RV64XVENTANACONDOPS-NEXT:    ret
+;
+; RV64XTHEADCONDMOV-LABEL: setune_32:
+; RV64XTHEADCONDMOV:       # %bb.0:
+; RV64XTHEADCONDMOV-NEXT:    feq.s a2, fa0, fa1
+; RV64XTHEADCONDMOV-NEXT:    th.mvnez a0, a1, a2
+; RV64XTHEADCONDMOV-NEXT:    ret
+;
+; RV32ZICOND-LABEL: setune_32:
+; RV32ZICOND:       # %bb.0:
+; RV32ZICOND-NEXT:    feq.s a2, fa0, fa1
+; RV32ZICOND-NEXT:    xori a2, a2, 1
+; RV32ZICOND-NEXT:    czero.nez a1, a1, a2
+; RV32ZICOND-NEXT:    czero.eqz a0, a0, a2
+; RV32ZICOND-NEXT:    or a0, a0, a1
+; RV32ZICOND-NEXT:    ret
+;
+; RV64ZICOND-LABEL: setune_32:
+; RV64ZICOND:       # %bb.0:
+; RV64ZICOND-NEXT:    feq.s a2, fa0, fa1
+; RV64ZICOND-NEXT:    xori a2, a2, 1
+; RV64ZICOND-NEXT:    czero.nez a1, a1, a2
+; RV64ZICOND-NEXT:    czero.eqz a0, a0, a2
+; RV64ZICOND-NEXT:    or a0, a0, a1
+; RV64ZICOND-NEXT:    ret
+  %rc = fcmp une float %a, %b
+  %sel = select i1 %rc, i32 %rs1, i32 %rs2
+  ret i32 %sel
+}
+
+define i64 @setune_64(float %a, float %b, i64 %rs1, i64 %rs2) {
+; RV32I-LABEL: setune_64:
+; RV32I:       # %bb.0:
+; RV32I-NEXT:    feq.s a4, fa0, fa1
+; RV32I-NEXT:    beqz a4, .LBB57_2
+; RV32I-NEXT:  # %bb.1:
+; RV32I-NEXT:    mv a0, a2
+; RV32I-NEXT:    mv a1, a3
+; RV32I-NEXT:  .LBB57_2:
+; RV32I-NEXT:    ret
+;
+; RV64I-LABEL: setune_64:
+; RV64I:       # %bb.0:
+; RV64I-NEXT:    feq.s a2, fa0, fa1
+; RV64I-NEXT:    beqz a2, .LBB57_2
+; RV64I-NEXT:  # %bb.1:
+; RV64I-NEXT:    mv a0, a1
+; RV64I-NEXT:  .LBB57_2:
+; RV64I-NEXT:    ret
+;
+; RV64XVENTANACONDOPS-LABEL: setune_64:
+; RV64XVENTANACONDOPS:       # %bb.0:
+; RV64XVENTANACONDOPS-NEXT:    feq.s a2, fa0, fa1
+; RV64XVENTANACONDOPS-NEXT:    vt.maskcn a0, a0, a2
+; RV64XVENTANACONDOPS-NEXT:    vt.maskc a1, a1, a2
+; RV64XVENTANACONDOPS-NEXT:    or a0, a1, a0
+; RV64XVENTANACONDOPS-NEXT:    ret
+;
+; RV64XTHEADCONDMOV-LABEL: setune_64:
+; RV64XTHEADCONDMOV:       # %bb.0:
+; RV64XTHEADCONDMOV-NEXT:    feq.s a2, fa0, fa1
+; RV64XTHEADCONDMOV-NEXT:    th.mvnez a0, a1, a2
+; RV64XTHEADCONDMOV-NEXT:    ret
+;
+; RV32ZICOND-LABEL: setune_64:
+; RV32ZICOND:       # %bb.0:
+; RV32ZICOND-NEXT:    feq.s a4, fa0, fa1
+; RV32ZICOND-NEXT:    xori a4, a4, 1
+; RV32ZICOND-NEXT:    czero.nez a2, a2, a4
+; RV32ZICOND-NEXT:    czero.eqz a0, a0, a4
+; RV32ZICOND-NEXT:    or a0, a0, a2
+; RV32ZICOND-NEXT:    czero.nez a2, a3, a4
+; RV32ZICOND-NEXT:    czero.eqz a1, a1, a4
+; RV32ZICOND-NEXT:    or a1, a1, a2
+; RV32ZICOND-NEXT:    ret
+;
+; RV64ZICOND-LABEL: setune_64:
+; RV64ZICOND:       # %bb.0:
+; RV64ZICOND-NEXT:    feq.s a2, fa0, fa1
+; RV64ZICOND-NEXT:    xori a2, a2, 1
+; RV64ZICOND-NEXT:    czero.nez a1, a1, a2
+; RV64ZICOND-NEXT:    czero.eqz a0, a0, a2
+; RV64ZICOND-NEXT:    or a0, a0, a1
+; RV64ZICOND-NEXT:    ret
+  %rc = fcmp une float %a, %b
+  %sel = select i1 %rc, i64 %rs1, i64 %rs2
+  ret i64 %sel
+}