diff options
Diffstat (limited to 'llvm/test/Transforms/SCCP/sccptest.ll')
| -rw-r--r-- | llvm/test/Transforms/SCCP/sccptest.ll | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/llvm/test/Transforms/SCCP/sccptest.ll b/llvm/test/Transforms/SCCP/sccptest.ll deleted file mode 100644 index 5cc5087b101..00000000000 --- a/llvm/test/Transforms/SCCP/sccptest.ll +++ /dev/null @@ -1,58 +0,0 @@ -; RUN: opt < %s -sccp -S | FileCheck %s - -; This is a basic sanity check for constant propagation. The add instruction -; should be eliminated. - -define i32 @test1(i1 %B) { - br i1 %B, label %BB1, label %BB2 -BB1: ; preds = %0 - %Val = add i32 0, 0 ; <i32> [#uses=1] - br label %BB3 -BB2: ; preds = %0 - br label %BB3 -BB3: ; preds = %BB2, %BB1 - %Ret = phi i32 [ %Val, %BB1 ], [ 1, %BB2 ] ; <i32> [#uses=1] - ret i32 %Ret - -; CHECK-LABEL: @test1( -; CHECK: %Ret = phi i32 [ 0, %BB1 ], [ 1, %BB2 ] -} - -; This is the test case taken from appel's book that illustrates a hard case -; that SCCP gets right. -; -define i32 @test2(i32 %i0, i32 %j0) { -; CHECK-LABEL: @test2( -BB1: - br label %BB2 -BB2: - %j2 = phi i32 [ %j4, %BB7 ], [ 1, %BB1 ] - %k2 = phi i32 [ %k4, %BB7 ], [ 0, %BB1 ] - %kcond = icmp slt i32 %k2, 100 - br i1 %kcond, label %BB3, label %BB4 -BB3: - %jcond = icmp slt i32 %j2, 20 - br i1 %jcond, label %BB5, label %BB6 -; CHECK: BB3: -; CHECK-NEXT: br i1 true, label %BB5, label %BB6 -BB4: - ret i32 %j2 -; CHECK: BB4: -; CHECK-NEXT: ret i32 1 -BB5: - %k3 = add i32 %k2, 1 - br label %BB7 -BB6: - %k5 = add i32 %k2, 1 - br label %BB7 -; CHECK: BB6: -; CHECK-NEXT: br label %BB7 -BB7: - %j4 = phi i32 [ 1, %BB5 ], [ %k2, %BB6 ] - %k4 = phi i32 [ %k3, %BB5 ], [ %k5, %BB6 ] - br label %BB2 -; CHECK: BB7: -; CHECK-NEXT: %k4 = phi i32 [ %k3, %BB5 ], [ undef, %BB6 ] -; CHECK-NEXT: br label %BB2 -} - |
