mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 00:12:50 +01:00
54 lines
1.0 KiB
LLVM
54 lines
1.0 KiB
LLVM
|
; RUN: opt < %s -constprop -S | FileCheck %s
|
||
|
|
|
||
|
|
%i8i1 = type {i8, i1}
|
||
|
|
|
||
|
|
;;-----------------------------
|
||
|
|
;; uadd
|
||
|
|
;;-----------------------------
|
||
|
|
|
||
|
|
define {i8, i1} @uadd_1() nounwind {
|
||
|
|
entry:
|
||
|
|
%t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 42, i8 100)
|
||
|
|
ret {i8, i1} %t
|
||
|
|
|
||
|
|
; CHECK: @uadd_1
|
||
|
|
; CHECK: ret %i8i1 { i8 -114, i1 false }
|
||
|
|
}
|
||
|
|
|
||
|
|
define {i8, i1} @uadd_2() nounwind {
|
||
|
|
entry:
|
||
|
|
%t = call {i8, i1} @llvm.uadd.with.overflow.i8(i8 142, i8 120)
|
||
|
|
ret {i8, i1} %t
|
||
|
|
|
||
|
|
; CHECK: @uadd_2
|
||
|
|
; CHECK: ret %i8i1 { i8 6, i1 true }
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
;;-----------------------------
|
||
|
|
;; usub
|
||
|
|
;;-----------------------------
|
||
|
|
|
||
|
|
define {i8, i1} @usub_1() nounwind {
|
||
|
|
entry:
|
||
|
|
%t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 4, i8 2)
|
||
|
|
ret {i8, i1} %t
|
||
|
|
|
||
|
|
; CHECK: @usub_1
|
||
|
|
; CHECK: ret %i8i1 { i8 2, i1 false }
|
||
|
|
}
|
||
|
|
|
||
|
|
define {i8, i1} @usub_2() nounwind {
|
||
|
|
entry:
|
||
|
|
%t = call {i8, i1} @llvm.usub.with.overflow.i8(i8 4, i8 6)
|
||
|
|
ret {i8, i1} %t
|
||
|
|
|
||
|
|
; CHECK: @usub_2
|
||
|
|
; CHECK: ret %i8i1 { i8 -2, i1 true }
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
declare {i8, i1} @llvm.uadd.with.overflow.i8(i8, i8)
|
||
|
|
declare {i8, i1} @llvm.usub.with.overflow.i8(i8, i8)
|