You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
634 B
30 lines
634 B
; RUN: opt -S -reassociate < %s | FileCheck %s
|
|
; rdar://8944681
|
|
|
|
; Reassociate should clear optional flags like nsw when reassociating.
|
|
|
|
; CHECK-LABEL: @test0(
|
|
; CHECK: %y = add i64 %b, %a
|
|
; CHECK: %z = add i64 %y, %c
|
|
define i64 @test0(i64 %a, i64 %b, i64 %c) {
|
|
%y = add nsw i64 %c, %b
|
|
%z = add i64 %y, %a
|
|
ret i64 %z
|
|
}
|
|
|
|
; CHECK-LABEL: @test1(
|
|
; CHECK: %y = add i64 %b, %a
|
|
; CHECK: %z = add i64 %y, %c
|
|
define i64 @test1(i64 %a, i64 %b, i64 %c) {
|
|
%y = add i64 %c, %b
|
|
%z = add nsw i64 %y, %a
|
|
ret i64 %z
|
|
}
|
|
|
|
; PR9215
|
|
; CHECK: %s = add nsw i32 %y, %x
|
|
define i32 @test2(i32 %x, i32 %y) {
|
|
%s = add nsw i32 %x, %y
|
|
ret i32 %s
|
|
}
|