Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame^] | 1 | ; This is a basic sanity check for constant propogation. The add instruction |
2 | ; should be eliminated. | ||||
3 | |||||
4 | ; RUN: llvm-as < %s | opt -sccp | llvm-dis | not grep add | ||||
5 | |||||
6 | define i128 @test(i1 %B) { | ||||
7 | br i1 %B, label %BB1, label %BB2 | ||||
8 | BB1: | ||||
9 | %Val = add i128 0, 1 | ||||
10 | br label %BB3 | ||||
11 | BB2: | ||||
12 | br label %BB3 | ||||
13 | BB3: | ||||
14 | %Ret = phi i128 [%Val, %BB1], [2, %BB2] | ||||
15 | ret i128 %Ret | ||||
16 | } |