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Diffstat (limited to 'test/Transforms/ConstProp/basictest.ll')
-rw-r--r-- | test/Transforms/ConstProp/basictest.ll | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/test/Transforms/ConstProp/basictest.ll b/test/Transforms/ConstProp/basictest.ll index 56892d9..2edc55d 100644 --- a/test/Transforms/ConstProp/basictest.ll +++ b/test/Transforms/ConstProp/basictest.ll @@ -1,20 +1,21 @@ +; RUN: opt < %s -constprop -die -S | FileCheck %s + ; This is a basic sanity check for constant propogation. The add instruction ; should be eliminated. - -; RUN: llvm-as < %s | opt -constprop -die | llvm-dis | not grep add - -define i32 @test(i1 %B) { +define i32 @test1(i1 %B) { br i1 %B, label %BB1, label %BB2 -BB1: ; preds = %0 - %Val = add i32 0, 0 ; <i32> [#uses=1] +BB1: + %Val = add i32 0, 0 br label %BB3 -BB2: ; preds = %0 +BB2: br label %BB3 -BB3: ; preds = %BB2, %BB1 - %Ret = phi i32 [ %Val, %BB1 ], [ 1, %BB2 ] ; <i32> [#uses=1] +BB3: +; CHECK: @test1 +; CHECK: %Ret = phi i32 [ 0, %BB1 ], [ 1, %BB2 ] + %Ret = phi i32 [ %Val, %BB1 ], [ 1, %BB2 ] ret i32 %Ret } |