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1; RUN: opt -S -reassociate < %s | FileCheck %s
2; rdar://8944681
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4; Reassociate should clear optional flags like nsw when reassociating.
5
6; CHECK-LABEL: @test0(
7; CHECK: %y = add i64 %b, %a
8; CHECK: %z = add i64 %y, %c
9define i64 @test0(i64 %a, i64 %b, i64 %c) {
10  %y = add nsw i64 %c, %b
11  %z = add i64 %y, %a
12  ret i64 %z
13}
14
15; CHECK-LABEL: @test1(
16; CHECK: %y = add i64 %b, %a
17; CHECK: %z = add i64 %y, %c
18define i64 @test1(i64 %a, i64 %b, i64 %c) {
19  %y = add i64 %c, %b
20  %z = add nsw i64 %y, %a
21  ret i64 %z
22}
23
24; PR9215
25; CHECK: %s = add nsw i32 %y, %x
26define i32 @test2(i32 %x, i32 %y) {
27  %s = add nsw i32 %x, %y
28  ret i32 %s
29}
30