From fc07c1af69584d71a6a6ab3da7afd4837b08ea37 Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka@google.com>
Date: Mon, 1 Jun 2020 00:21:55 -0700
Subject: [PATCH] [StackSafety] Delete useless test

---
 .../test/Analysis/StackSafetyAnalysis/scev-udiv.ll | 65 ----------------------
 1 file changed, 65 deletions(-)
 delete mode 100644 llvm/test/Analysis/StackSafetyAnalysis/scev-udiv.ll

diff --git a/llvm/test/Analysis/StackSafetyAnalysis/scev-udiv.ll b/llvm/test/Analysis/StackSafetyAnalysis/scev-udiv.ll
deleted file mode 100644
index 95a663a..0000000
--- a/llvm/test/Analysis/StackSafetyAnalysis/scev-udiv.ll
+++ /dev/null
@@ -1,65 +0,0 @@
-; RUN: opt -S -analyze -stack-safety-local < %s | FileCheck %s --check-prefixes=CHECK,LOCAL
-; RUN: opt -S -passes="print<stack-safety-local>" -disable-output < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,LOCAL
-; RUN: opt -S -analyze -stack-safety < %s | FileCheck %s --check-prefixes=CHECK,GLOBAL
-; RUN: opt -S -passes="print-stack-safety" -disable-output < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,GLOBAL
-
-; Regression test that exercises a case when a AllocaOffsetRewritten SCEV
-; could return an empty-set range. This could occur with udiv SCEVs where the
-; RHS was re-written to 0.
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-declare void @ExternalFn(i64)
-
-define void @Test1() {
-; CHECK-LABEL: @Test1 dso_preemptable{{$}}
-; CHECK-NEXT: args uses:
-; CHECK-NEXT: allocas uses:
-; LOCAL-NEXT: x[1]: empty-set, @Divide1(arg0, full-set){{$}}
-; GLOBAL-NEXT: x[1]: full-set, @Divide1(arg0, full-set){{$}}
-; CHECK-NOT: ]:
-  %x = alloca i8
-  %int = ptrtoint i8* %x to i64
-  call void @Divide1(i64 %int)
-  ret void
-}
-
-define dso_local void @Divide1(i64 %arg) {
-; CHECK-LABEL: @Divide1{{$}}
-; CHECK-NEXT: args uses:
-; LOCAL-NEXT: arg[]: empty-set, @ExternalFn(arg0, full-set){{$}}
-; GLOBAL-NEXT: arg[]: full-set, @ExternalFn(arg0, full-set){{$}}
-; CHECK-NEXT: allocas uses:
-; CHECK-NOT: ]:
-  %quotient = udiv i64 undef, %arg
-  call void @ExternalFn(i64 %quotient)
-  unreachable
-}
-
-define void @Test2(i64 %arg) {
-; CHECK-LABEL: @Test2 dso_preemptable{{$}}
-; CHECK-NEXT: args uses:
-; CHECK-NEXT: arg[]: empty-set{{$}}
-; CHECK-NEXT: allocas uses:
-; LOCAL-NEXT: x[1]: empty-set, @Divide2(arg0, full-set){{$}}
-; GLOBAL-NEXT: x[1]: full-set, @Divide2(arg0, full-set){{$}}
-; CHECK-NOT: ]:
-  %x = alloca i8
-  %int = ptrtoint i8* %x to i64
-  call void @Divide2(i64 %int)
-  ret void
-}
-
-define dso_local void @Divide2(i64 %arg) {
-; CHECK-LABEL: @Divide2{{$}}
-; CHECK-NEXT: args uses:
-; CHECK-NEXT: arg[]: full-set{{$}}
-; CHECK-NEXT: allocas uses:
-; CHECK-NOT: ]:
-  %x = inttoptr i64 %arg to i8*
-  %quotient = udiv i64 undef, %arg
-  %arrayidx = getelementptr i8, i8* %x, i64 %quotient
-  load i8, i8* %arrayidx
-  unreachable
-}
-- 
2.7.4