peep-setb.ll   [plain text]

; RUN: llc -march=x86-64 < %s | FileCheck %s

define i8 @test1(i8 %a, i8 %b) nounwind {
  %cmp = icmp ult i8 %a, %b
  %cond = zext i1 %cmp to i8
  %add = add i8 %cond, %b
  ret i8 %add
; CHECK: test1:
; CHECK: adcb $0
}

define i32 @test2(i32 %a, i32 %b) nounwind {
  %cmp = icmp ult i32 %a, %b
  %cond = zext i1 %cmp to i32
  %add = add i32 %cond, %b
  ret i32 %add
; CHECK: test2:
; CHECK: adcl $0
}

define i64 @test3(i64 %a, i64 %b) nounwind {
  %cmp = icmp ult i64 %a, %b
  %conv = zext i1 %cmp to i64
  %add = add i64 %conv, %b
  ret i64 %add
; CHECK: test3:
; CHECK: adcq $0
}

define i8 @test4(i8 %a, i8 %b) nounwind {
  %cmp = icmp ult i8 %a, %b
  %cond = zext i1 %cmp to i8
  %sub = sub i8 %b, %cond
  ret i8 %sub
; CHECK: test4:
; CHECK: sbbb $0
}

define i32 @test5(i32 %a, i32 %b) nounwind {
  %cmp = icmp ult i32 %a, %b
  %cond = zext i1 %cmp to i32
  %sub = sub i32 %b, %cond
  ret i32 %sub
; CHECK: test5:
; CHECK: sbbl $0
}

define i64 @test6(i64 %a, i64 %b) nounwind {
  %cmp = icmp ult i64 %a, %b
  %conv = zext i1 %cmp to i64
  %sub = sub i64 %b, %conv
  ret i64 %sub
; CHECK: test6:
; CHECK: sbbq $0
}

define i8 @test7(i8 %a, i8 %b) nounwind {
  %cmp = icmp ult i8 %a, %b
  %cond = sext i1 %cmp to i8
  %sub = sub i8 %b, %cond
  ret i8 %sub
; CHECK: test7:
; CHECK: adcb $0
}

define i32 @test8(i32 %a, i32 %b) nounwind {
  %cmp = icmp ult i32 %a, %b
  %cond = sext i1 %cmp to i32
  %sub = sub i32 %b, %cond
  ret i32 %sub
; CHECK: test8:
; CHECK: adcl $0
}

define i64 @test9(i64 %a, i64 %b) nounwind {
  %cmp = icmp ult i64 %a, %b
  %conv = sext i1 %cmp to i64
  %sub = sub i64 %b, %conv
  ret i64 %sub
; CHECK: test9:
; CHECK: adcq $0
}