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Dan Gohmanf17a25c2007-07-18 16:29:46 +00001; This is a basic sanity check for constant propogation. The add instruction
2; and phi instruction should be eliminated.
3
Dan Gohman1b4c27772009-09-08 16:50:01 +00004; RUN: opt %s -sccp | llvm-dis | not grep phi
5; RUN: opt %s -sccp | llvm-dis | not grep add
Dan Gohmanf17a25c2007-07-18 16:29:46 +00006
7define i128 @test(i1 %B) {
8 br i1 %B, label %BB1, label %BB2
9BB1:
10 %Val = add i128 0, 1
11 br label %BB3
12BB2:
13 br label %BB3
14BB3:
15 %Ret = phi i128 [%Val, %BB1], [1, %BB2]
16 ret i128 %Ret
17}