; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv64 -mattr=+m -verify-machineinstrs < %s \
; RUN:   -riscv-experimental-rv64-legal-i32 | FileCheck %s -check-prefix=RV64

;
; Get the actual value of the overflow bit.
;
define zeroext i1 @saddo1.i32(i32 signext %v1, i32 signext %v2, ptr %res) {
; RV64-LABEL: saddo1.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addw a3, a0, a1
; RV64-NEXT:    slt a0, a3, a0
; RV64-NEXT:    slti a1, a1, 0
; RV64-NEXT:    xor a0, a1, a0
; RV64-NEXT:    sw a3, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

; Test the immediate version.
define zeroext i1 @saddo2.i32(i32 signext %v1, ptr %res) {
; RV64-LABEL: saddo2.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addiw a2, a0, 4
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 4)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

; Test negative immediates.
define zeroext i1 @saddo3.i32(i32 signext %v1, ptr %res) {
; RV64-LABEL: saddo3.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addiw a2, a0, -4
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 -4)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

; Test immediates that are too large to be encoded.
define zeroext i1 @saddo4.i32(i32 signext %v1, ptr %res) {
; RV64-LABEL: saddo4.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    lui a2, 4096
; RV64-NEXT:    addi a2, a2, -1
; RV64-NEXT:    addw a2, a0, a2
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 16777215)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @saddo1.i64(i64 %v1, i64 %v2, ptr %res) {
; RV64-LABEL: saddo1.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    add a3, a0, a1
; RV64-NEXT:    slt a0, a3, a0
; RV64-NEXT:    slti a1, a1, 0
; RV64-NEXT:    xor a0, a1, a0
; RV64-NEXT:    sd a3, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @saddo2.i64(i64 %v1, ptr %res) {
; RV64-LABEL: saddo2.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addi a2, a0, 4
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    sd a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 4)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @saddo3.i64(i64 %v1, ptr %res) {
; RV64-LABEL: saddo3.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addi a2, a0, -4
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    sd a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 -4)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @uaddo.i32(i32 signext %v1, i32 signext %v2, ptr %res) {
; RV64-LABEL: uaddo.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addw a1, a0, a1
; RV64-NEXT:    sltu a0, a1, a0
; RV64-NEXT:    sw a1, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @uaddo.i32.constant(i32 signext %v1, ptr %res) {
; RV64-LABEL: uaddo.i32.constant:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addiw a2, a0, -2
; RV64-NEXT:    sltu a0, a2, a0
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 -2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @uaddo.i32.constant_one(i32 signext %v1, ptr %res) {
; RV64-LABEL: uaddo.i32.constant_one:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addiw a2, a0, 1
; RV64-NEXT:    seqz a0, a2
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 1)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @uaddo.i64(i64 %v1, i64 %v2, ptr %res) {
; RV64-LABEL: uaddo.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    add a1, a0, a1
; RV64-NEXT:    sltu a0, a1, a0
; RV64-NEXT:    sd a1, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @uaddo.i64.constant_one(i64 %v1, ptr %res) {
; RV64-LABEL: uaddo.i64.constant_one:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addi a2, a0, 1
; RV64-NEXT:    seqz a0, a2
; RV64-NEXT:    sd a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 1)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @ssubo1.i32(i32 signext %v1, i32 signext %v2, ptr %res) {
; RV64-LABEL: ssubo1.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sgtz a3, a1
; RV64-NEXT:    subw a1, a0, a1
; RV64-NEXT:    slt a0, a1, a0
; RV64-NEXT:    xor a0, a3, a0
; RV64-NEXT:    sw a1, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @ssubo2.i32(i32 signext %v1, ptr %res) {
; RV64-LABEL: ssubo2.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addiw a2, a0, 4
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 -4)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @ssubo.i64(i64 %v1, i64 %v2, ptr %res) {
; RV64-LABEL: ssubo.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sgtz a3, a1
; RV64-NEXT:    sub a1, a0, a1
; RV64-NEXT:    slt a0, a1, a0
; RV64-NEXT:    xor a0, a3, a0
; RV64-NEXT:    sd a1, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @usubo.i32(i32 signext %v1, i32 signext %v2, ptr %res) {
; RV64-LABEL: usubo.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    subw a1, a0, a1
; RV64-NEXT:    sltu a0, a0, a1
; RV64-NEXT:    sw a1, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @usubo.i32.constant.rhs(i32 signext %v1, ptr %res) {
; RV64-LABEL: usubo.i32.constant.rhs:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addiw a2, a0, 2
; RV64-NEXT:    sltu a0, a0, a2
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 -2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @usubo.i32.constant.lhs(i32 signext %v1, ptr %res) {
; RV64-LABEL: usubo.i32.constant.lhs:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    li a2, -2
; RV64-NEXT:    subw a2, a2, a0
; RV64-NEXT:    addi a0, a2, 1
; RV64-NEXT:    seqz a0, a0
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 -2, i32 %v1)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @usubo.i64(i64 %v1, i64 %v2, ptr %res) {
; RV64-LABEL: usubo.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sub a1, a0, a1
; RV64-NEXT:    sltu a0, a0, a1
; RV64-NEXT:    sd a1, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @smulo.i32(i32 signext %v1, i32 signext %v2, ptr %res) {
; RV64-LABEL: smulo.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mul a1, a0, a1
; RV64-NEXT:    srai a0, a1, 32
; RV64-NEXT:    sraiw a3, a1, 31
; RV64-NEXT:    xor a0, a0, a3
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    sw a1, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @smulo2.i32(i32 signext %v1, ptr %res) {
; RV64-LABEL: smulo2.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    li a2, 13
; RV64-NEXT:    mul a2, a0, a2
; RV64-NEXT:    srai a0, a2, 32
; RV64-NEXT:    sraiw a3, a2, 31
; RV64-NEXT:    xor a0, a0, a3
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 13)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @smulo.i64(i64 %v1, i64 %v2, ptr %res) {
; RV64-LABEL: smulo.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mulh a3, a0, a1
; RV64-NEXT:    mul a1, a0, a1
; RV64-NEXT:    srai a0, a1, 63
; RV64-NEXT:    xor a0, a3, a0
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    sd a1, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @smulo2.i64(i64 %v1, ptr %res) {
; RV64-LABEL: smulo2.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    li a2, 13
; RV64-NEXT:    mulh a3, a0, a2
; RV64-NEXT:    mul a2, a0, a2
; RV64-NEXT:    srai a0, a2, 63
; RV64-NEXT:    xor a0, a3, a0
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    sd a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 13)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @umulo.i32(i32 signext %v1, i32 signext %v2, ptr %res) {
; RV64-LABEL: umulo.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    slli a1, a1, 32
; RV64-NEXT:    slli a0, a0, 32
; RV64-NEXT:    mulhu a1, a0, a1
; RV64-NEXT:    srai a0, a1, 32
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    sw a1, 0(a2)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @umulo2.i32(i32 signext %v1, ptr %res) {
; RV64-LABEL: umulo2.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    li a2, 13
; RV64-NEXT:    slli a2, a2, 32
; RV64-NEXT:    slli a0, a0, 32
; RV64-NEXT:    mulhu a2, a0, a2
; RV64-NEXT:    srli a0, a2, 32
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    sw a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 13)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  store i32 %val, ptr %res
  ret i1 %obit
}

; Similar to umulo.i32, but storing the overflow and returning the result.
define signext i32 @umulo3.i32(i32 signext %0, i32 signext %1, ptr %2) {
; RV64-LABEL: umulo3.i32:
; RV64:       # %bb.0:
; RV64-NEXT:    slli a1, a1, 32
; RV64-NEXT:    slli a0, a0, 32
; RV64-NEXT:    mulhu a0, a0, a1
; RV64-NEXT:    srai a1, a0, 32
; RV64-NEXT:    snez a1, a1
; RV64-NEXT:    sext.w a0, a0
; RV64-NEXT:    sw a1, 0(a2)
; RV64-NEXT:    ret
  %4 = tail call { i32, i1 } @llvm.umul.with.overflow.i32(i32 %0, i32 %1)
  %5 = extractvalue { i32, i1 } %4, 1
  %6 = extractvalue { i32, i1 } %4, 0
  %7 = zext i1 %5 to i32
  store i32 %7, ptr %2, align 4
  ret i32 %6
}

define zeroext i1 @umulo.i64(i64 %v1, i64 %v2, ptr %res) {
; RV64-LABEL: umulo.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mulhu a3, a0, a1
; RV64-NEXT:    snez a3, a3
; RV64-NEXT:    mul a0, a0, a1
; RV64-NEXT:    sd a0, 0(a2)
; RV64-NEXT:    mv a0, a3
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @umulo2.i64(i64 %v1, ptr %res) {
; RV64-LABEL: umulo2.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    li a3, 13
; RV64-NEXT:    mulhu a2, a0, a3
; RV64-NEXT:    snez a2, a2
; RV64-NEXT:    mul a0, a0, a3
; RV64-NEXT:    sd a0, 0(a1)
; RV64-NEXT:    mv a0, a2
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 13)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}


;
; Check the use of the overflow bit in combination with a select instruction.
;
define i32 @saddo.select.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: saddo.select.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addw a2, a0, a1
; RV64-NEXT:    slt a2, a2, a0
; RV64-NEXT:    slti a3, a1, 0
; RV64-NEXT:    bne a3, a2, .LBB28_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB28_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = select i1 %obit, i32 %v1, i32 %v2
  ret i32 %ret
}

define i1 @saddo.not.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: saddo.not.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addw a2, a0, a1
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    slti a1, a1, 0
; RV64-NEXT:    xor a0, a1, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i64 @saddo.select.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: saddo.select.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    add a2, a0, a1
; RV64-NEXT:    slt a2, a2, a0
; RV64-NEXT:    slti a3, a1, 0
; RV64-NEXT:    bne a3, a2, .LBB30_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB30_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = select i1 %obit, i64 %v1, i64 %v2
  ret i64 %ret
}

define i1 @saddo.not.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: saddo.not.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    add a2, a0, a1
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    slti a1, a1, 0
; RV64-NEXT:    xor a0, a1, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i32 @uaddo.select.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: uaddo.select.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addw a2, a0, a1
; RV64-NEXT:    bltu a2, a0, .LBB32_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB32_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = select i1 %obit, i32 %v1, i32 %v2
  ret i32 %ret
}

define i1 @uaddo.not.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: uaddo.not.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addw a1, a0, a1
; RV64-NEXT:    sltu a0, a1, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i64 @uaddo.select.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: uaddo.select.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    add a2, a0, a1
; RV64-NEXT:    bltu a2, a0, .LBB34_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB34_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = select i1 %obit, i64 %v1, i64 %v2
  ret i64 %ret
}

define i1 @uaddo.not.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: uaddo.not.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    add a1, a0, a1
; RV64-NEXT:    sltu a0, a1, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i32 @ssubo.select.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: ssubo.select.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sgtz a2, a1
; RV64-NEXT:    subw a3, a0, a1
; RV64-NEXT:    slt a3, a3, a0
; RV64-NEXT:    bne a2, a3, .LBB36_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB36_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = select i1 %obit, i32 %v1, i32 %v2
  ret i32 %ret
}

define i1 @ssubo.not.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: ssubo.not.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sgtz a2, a1
; RV64-NEXT:    subw a1, a0, a1
; RV64-NEXT:    slt a0, a1, a0
; RV64-NEXT:    xor a0, a2, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i64 @ssubo.select.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: ssubo.select.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sgtz a2, a1
; RV64-NEXT:    sub a3, a0, a1
; RV64-NEXT:    slt a3, a3, a0
; RV64-NEXT:    bne a2, a3, .LBB38_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB38_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = select i1 %obit, i64 %v1, i64 %v2
  ret i64 %ret
}

define i1 @ssub.not.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: ssub.not.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sgtz a2, a1
; RV64-NEXT:    sub a1, a0, a1
; RV64-NEXT:    slt a0, a1, a0
; RV64-NEXT:    xor a0, a2, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i32 @usubo.select.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: usubo.select.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    subw a2, a0, a1
; RV64-NEXT:    bltu a0, a2, .LBB40_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB40_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = select i1 %obit, i32 %v1, i32 %v2
  ret i32 %ret
}

define i1 @usubo.not.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: usubo.not.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    subw a1, a0, a1
; RV64-NEXT:    sltu a0, a0, a1
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i64 @usubo.select.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: usubo.select.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sub a2, a0, a1
; RV64-NEXT:    bltu a0, a2, .LBB42_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB42_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = select i1 %obit, i64 %v1, i64 %v2
  ret i64 %ret
}

define i1 @usubo.not.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: usubo.not.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sub a1, a0, a1
; RV64-NEXT:    sltu a0, a0, a1
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i32 @smulo.select.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: smulo.select.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mul a2, a0, a1
; RV64-NEXT:    srai a3, a2, 32
; RV64-NEXT:    sraiw a2, a2, 31
; RV64-NEXT:    bne a3, a2, .LBB44_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB44_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = select i1 %obit, i32 %v1, i32 %v2
  ret i32 %ret
}

define i1 @smulo.not.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: smulo.not.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mul a0, a0, a1
; RV64-NEXT:    srai a1, a0, 32
; RV64-NEXT:    sraiw a0, a0, 31
; RV64-NEXT:    xor a0, a1, a0
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i64 @smulo.select.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: smulo.select.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mulh a2, a0, a1
; RV64-NEXT:    mul a3, a0, a1
; RV64-NEXT:    srai a3, a3, 63
; RV64-NEXT:    bne a2, a3, .LBB46_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB46_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = select i1 %obit, i64 %v1, i64 %v2
  ret i64 %ret
}

define i1 @smulo.not.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: smulo.not.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mulh a2, a0, a1
; RV64-NEXT:    mul a0, a0, a1
; RV64-NEXT:    srai a0, a0, 63
; RV64-NEXT:    xor a0, a2, a0
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i32 @umulo.select.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: umulo.select.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    slli a2, a1, 32
; RV64-NEXT:    slli a3, a0, 32
; RV64-NEXT:    mulhu a2, a3, a2
; RV64-NEXT:    srai a2, a2, 32
; RV64-NEXT:    bnez a2, .LBB48_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB48_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = select i1 %obit, i32 %v1, i32 %v2
  ret i32 %ret
}

define i1 @umulo.not.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: umulo.not.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    slli a1, a1, 32
; RV64-NEXT:    slli a0, a0, 32
; RV64-NEXT:    mulhu a0, a0, a1
; RV64-NEXT:    srai a0, a0, 32
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
  %obit = extractvalue {i32, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}

define i64 @umulo.select.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: umulo.select.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mulhu a2, a0, a1
; RV64-NEXT:    bnez a2, .LBB50_2
; RV64-NEXT:  # %bb.1: # %entry
; RV64-NEXT:    mv a0, a1
; RV64-NEXT:  .LBB50_2: # %entry
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = select i1 %obit, i64 %v1, i64 %v2
  ret i64 %ret
}

define i1 @umulo.not.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: umulo.not.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mulhu a0, a0, a1
; RV64-NEXT:    snez a0, a0
; RV64-NEXT:    xori a0, a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
  %obit = extractvalue {i64, i1} %t, 1
  %ret = xor i1 %obit, true
  ret i1 %ret
}


;
; Check the use of the overflow bit in combination with a branch instruction.
;
define zeroext i1 @saddo.br.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: saddo.br.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addw a2, a0, a1
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    slti a1, a1, 0
; RV64-NEXT:    beq a1, a0, .LBB52_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB52_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @saddo.br.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: saddo.br.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    add a2, a0, a1
; RV64-NEXT:    slt a0, a2, a0
; RV64-NEXT:    slti a1, a1, 0
; RV64-NEXT:    beq a1, a0, .LBB53_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB53_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.sadd.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @uaddo.br.i32(i32 %v1, i32 %v2) {
; RV64-LABEL: uaddo.br.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addw a1, a0, a1
; RV64-NEXT:    sext.w a0, a0
; RV64-NEXT:    bgeu a1, a0, .LBB54_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB54_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @uaddo.br.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: uaddo.br.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    add a1, a0, a1
; RV64-NEXT:    bgeu a1, a0, .LBB55_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB55_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @ssubo.br.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: ssubo.br.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sgtz a2, a1
; RV64-NEXT:    subw a1, a0, a1
; RV64-NEXT:    slt a0, a1, a0
; RV64-NEXT:    beq a2, a0, .LBB56_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB56_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.ssub.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @ssubo.br.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: ssubo.br.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sgtz a2, a1
; RV64-NEXT:    sub a1, a0, a1
; RV64-NEXT:    slt a0, a1, a0
; RV64-NEXT:    beq a2, a0, .LBB57_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB57_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.ssub.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @usubo.br.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: usubo.br.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    subw a1, a0, a1
; RV64-NEXT:    bgeu a0, a1, .LBB58_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB58_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.usub.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @usubo.br.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: usubo.br.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    sub a1, a0, a1
; RV64-NEXT:    bgeu a0, a1, .LBB59_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB59_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.usub.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @smulo.br.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: smulo.br.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mul a0, a0, a1
; RV64-NEXT:    srai a1, a0, 32
; RV64-NEXT:    sraiw a0, a0, 31
; RV64-NEXT:    beq a1, a0, .LBB60_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB60_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.smul.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @smulo.br.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: smulo.br.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mulh a2, a0, a1
; RV64-NEXT:    mul a0, a0, a1
; RV64-NEXT:    srai a0, a0, 63
; RV64-NEXT:    beq a2, a0, .LBB61_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB61_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @smulo2.br.i64(i64 %v1) {
; RV64-LABEL: smulo2.br.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    li a1, -13
; RV64-NEXT:    mulh a2, a0, a1
; RV64-NEXT:    mul a0, a0, a1
; RV64-NEXT:    srai a0, a0, 63
; RV64-NEXT:    beq a2, a0, .LBB62_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB62_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.smul.with.overflow.i64(i64 %v1, i64 -13)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @umulo.br.i32(i32 signext %v1, i32 signext %v2) {
; RV64-LABEL: umulo.br.i32:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    slli a1, a1, 32
; RV64-NEXT:    slli a0, a0, 32
; RV64-NEXT:    mulhu a0, a0, a1
; RV64-NEXT:    srai a0, a0, 32
; RV64-NEXT:    beqz a0, .LBB63_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB63_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i32, i1} @llvm.umul.with.overflow.i32(i32 %v1, i32 %v2)
  %val = extractvalue {i32, i1} %t, 0
  %obit = extractvalue {i32, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @umulo.br.i64(i64 %v1, i64 %v2) {
; RV64-LABEL: umulo.br.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    mulhu a0, a0, a1
; RV64-NEXT:    beqz a0, .LBB64_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB64_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 %v2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @umulo2.br.i64(i64 %v1) {
; RV64-LABEL: umulo2.br.i64:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    add a1, a0, a0
; RV64-NEXT:    bgeu a1, a0, .LBB65_2
; RV64-NEXT:  # %bb.1: # %overflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:    ret
; RV64-NEXT:  .LBB65_2: # %continue
; RV64-NEXT:    li a0, 1
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.umul.with.overflow.i64(i64 %v1, i64 2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  br i1 %obit, label %overflow, label %continue

overflow:
  ret i1 false

continue:
  ret i1 true
}

define zeroext i1 @uaddo.i64.constant(i64 %v1, ptr %res) {
; RV64-LABEL: uaddo.i64.constant:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addi a2, a0, 2
; RV64-NEXT:    sltu a0, a2, a0
; RV64-NEXT:    sd a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @uaddo.i64.constant_2048(i64 %v1, ptr %res) {
; RV64-LABEL: uaddo.i64.constant_2048:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addi a2, a0, 2047
; RV64-NEXT:    addi a2, a2, 1
; RV64-NEXT:    sltu a0, a2, a0
; RV64-NEXT:    sd a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 2048)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define zeroext i1 @uaddo.i64.constant_2049(i64 %v1, ptr %res) {
; RV64-LABEL: uaddo.i64.constant_2049:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    addi a2, a0, 2047
; RV64-NEXT:    addi a2, a2, 2
; RV64-NEXT:    sltu a0, a2, a0
; RV64-NEXT:    sd a2, 0(a1)
; RV64-NEXT:    ret
entry:
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 2049)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  store i64 %val, ptr %res
  ret i1 %obit
}

define i64 @uaddo.i64.constant_setcc_on_overflow_flag(ptr %p) {
; RV64-LABEL: uaddo.i64.constant_setcc_on_overflow_flag:
; RV64:       # %bb.0: # %entry
; RV64-NEXT:    ld a1, 0(a0)
; RV64-NEXT:    addi a0, a1, 2
; RV64-NEXT:    bltu a0, a1, .LBB69_2
; RV64-NEXT:  # %bb.1: # %IfOverflow
; RV64-NEXT:    li a0, 0
; RV64-NEXT:  .LBB69_2: # %IfNoOverflow
; RV64-NEXT:    ret
entry:
  %v1 = load i64, ptr %p
  %t = call {i64, i1} @llvm.uadd.with.overflow.i64(i64 %v1, i64 2)
  %val = extractvalue {i64, i1} %t, 0
  %obit = extractvalue {i64, i1} %t, 1
  br i1 %obit, label %IfNoOverflow, label %IfOverflow
IfOverflow:
  ret i64 0
IfNoOverflow:
  ret i64 %val
}

declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.sadd.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.uadd.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.ssub.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.ssub.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.usub.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.usub.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.smul.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.smul.with.overflow.i64(i64, i64) nounwind readnone
declare {i32, i1} @llvm.umul.with.overflow.i32(i32, i32) nounwind readnone
declare {i64, i1} @llvm.umul.with.overflow.i64(i64, i64) nounwind readnone