test/CodeGen/X86/adx-intrinsics.ll

; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=corei7 --show-mc-encoding| FileCheck %s --check-prefix=NOADX --check-prefix=CHECK
; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=broadwell --show-mc-encoding| FileCheck %s --check-prefix=ADX --check-prefix=CHECK

declare i8 @llvm.x86.addcarryx.u32(i8, i32, i32, i8*)

define i8 @test_addcarryx_u32(i8 %c, i32 %a, i32 %b, i8* %ptr) {
; CHECK-LABEL: test_addcarryx_u32
; CHECK: addb
; ADX: adcxl
; CHECK: setb
; CHECK: retq
  %ret = tail call i8 @llvm.x86.addcarryx.u32(i8 %c, i32 %a, i32 %b, i8* %ptr)
  ret i8 %ret;
}

declare i8 @llvm.x86.addcarryx.u64(i8, i64, i64, i8*)

define i8 @test_addcarryx_u64(i8 %c, i64 %a, i64 %b, i8* %ptr) {
; CHECK-LABEL: test_addcarryx_u64
; CHECK: addb
; ADX: adcxq
; CHECK: setb
; CHECK: retq
  %ret = tail call i8 @llvm.x86.addcarryx.u64(i8 %c, i64 %a, i64 %b, i8* %ptr)
  ret i8 %ret;
}

declare i8 @llvm.x86.addcarry.u32(i8, i32, i32, i8*)

define i8 @test_addcarry_u32(i8 %c, i32 %a, i32 %b, i8* %ptr) {
; CHECK-LABEL: test_addcarry_u32
; CHECK: addb
; ADX: adcxl
; NOADX: adcl
; CHECK: setb
; CHECK: retq
  %ret = tail call i8 @llvm.x86.addcarry.u32(i8 %c, i32 %a, i32 %b, i8* %ptr)
  ret i8 %ret;
}

declare i8 @llvm.x86.addcarry.u64(i8, i64, i64, i8*)

define i8 @test_addcarry_u64(i8 %c, i64 %a, i64 %b, i8* %ptr) {
; CHECK-LABEL: test_addcarry_u64
; CHECK: addb
; ADX: adcxq
; NOADX: adcq
; CHECK: setb
; CHECK: retq
  %ret = tail call i8 @llvm.x86.addcarry.u64(i8 %c, i64 %a, i64 %b, i8* %ptr)
  ret i8 %ret;
}

declare i8 @llvm.x86.subborrow.u32(i8, i32, i32, i8*)

define i8 @test_subborrow_u32(i8 %c, i32 %a, i32 %b, i8* %ptr) {
; CHECK-LABEL: test_subborrow_u32
; CHECK: addb
; CHECK: sbbl
; CHECK: setb
; CHECK: retq
  %ret = tail call i8 @llvm.x86.subborrow.u32(i8 %c, i32 %a, i32 %b, i8* %ptr)
  ret i8 %ret;
}

declare i8 @llvm.x86.subborrow.u64(i8, i64, i64, i8*)

define i8 @test_subborrow_u64(i8 %c, i64 %a, i64 %b, i8* %ptr) {
; CHECK-LABEL: test_subborrow_u64
; CHECK: addb
; CHECK: sbbq
; CHECK: setb
; CHECK: retq
  %ret = tail call i8 @llvm.x86.subborrow.u64(i8 %c, i64 %a, i64 %b, i8* %ptr)
  ret i8 %ret;
}

; Try a version with loads. Previously we crashed on this.
define i32 @load_crash(i64* nocapture readonly %a, i64* nocapture readonly %b, i64* %res)  {
; CHECK-LABEL: load_crash
; CHECK: addb
; ADX: adcxq
; CHECK: setb
; CHECK: retq
  %1 = load i64, i64* %a, align 8
  %2 = load i64, i64* %b, align 8
  %3 = bitcast i64* %res to i8*
  %4 = tail call i8 @llvm.x86.addcarryx.u64(i8 0, i64 %1, i64 %2, i8* %3)
  %conv = zext i8 %4 to i32
  ret i32 %conv
}

; Try a really simple all zero input case, which also used to crash
define void @allzeros() {
; CHECK-LABEL: allzeros
; CHECK: xorl
; CHECK: addb
; CHECK: sbbq
; CHECK: andl
; CHECK: retq
entry:
  %0 = tail call i8 @llvm.x86.addcarryx.u64(i8 0, i64 0, i64 0, i8* null)
  ret void
}