Subzero: Delete szdiff.py tests and ERRORS tests.

tests_lit/llvm2ice_tests/call.ll

-; Simple smoke test of the call instruction.  The assembly checks
-; currently only verify the function labels.
-
-; RUN: %p2i -i %s --args --verbose inst | FileCheck %s
-; RUN: %p2i -i %s --args --verbose none | FileCheck --check-prefix=ERRORS %s
-; RUN: %p2i -i %s --insts | %szdiff %s | FileCheck --check-prefix=DUMP %s
-
-define i32 @fib(i32 %n) {
-; CHECK: define i32 @fib
-entry:
-  %cmp = icmp slt i32 %n, 2
-  br i1 %cmp, label %return, label %if.end
-
-if.end:                                           ; preds = %entry
-  %sub = add i32 %n, -1
-  %call = tail call i32 @fib(i32 %sub)
-  %sub1 = add i32 %n, -2
-  %call2 = tail call i32 @fib(i32 %sub1)
-  %add = add i32 %call2, %call
-  ret i32 %add
-
-return:                                           ; preds = %entry
-  ret i32 %n
-}
-
-define i32 @fact(i32 %n) {
-; CHECK: define i32 @fact
-entry:
-  %cmp = icmp slt i32 %n, 2
-  br i1 %cmp, label %return, label %if.end
-
-if.end:                                           ; preds = %entry
-  %sub = add i32 %n, -1
-  %call = tail call i32 @fact(i32 %sub)
-  %mul = mul i32 %call, %n
-  ret i32 %mul
-
-return:                                           ; preds = %entry
-  ret i32 %n
-}
-
-define i32 @redirect(i32 %n) {
-; CHECK: define i32 @redirect
-entry:
-  %call = tail call i32 @redirect_target(i32 %n)
-  ret i32 %call
-}
-
-declare i32 @redirect_target(i32)
-
-define void @call_void(i32 %n) {
-; CHECK: define void @call_void
-
-entry:
-  %cmp2 = icmp sgt i32 %n, 0
-  br i1 %cmp2, label %if.then, label %if.end
-
-if.then:                                          ; preds = %entry, %if.then
-  %n.tr3 = phi i32 [ %call.i, %if.then ], [ %n, %entry ]
-  %sub = add i32 %n.tr3, -1
-  %call.i = tail call i32 @redirect_target(i32 %sub)
-  %cmp = icmp sgt i32 %call.i, 0
-  br i1 %cmp, label %if.then, label %if.end
-
-if.end:                                           ; preds = %if.then, %entry
-  ret void
-}
-
-; ERRORS-NOT: ICE translation error
-; DUMP-NOT: SZ