Imported Upstream version 5.18.0.182

Former-commit-id: f9d55cf82631bfd710c387739687e5845296aea1

external/llvm/test/Transforms/InstCombine/strcat-2.ll

@@ -1,32 +0,0 @@
-; Test that the strcat libcall simplifier works correctly.
-;
-; RUN: opt < %s -instcombine -S | FileCheck %s
-
-target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
-
-@hello = constant [6 x i8] c"hello\00"
-@empty = constant [1 x i8] c"\00"
-@a = common global [32 x i8] zeroinitializer, align 1
-
-declare i8* @strcat(i8*, i8*)
-
-define void @test_simplify1() {
-; CHECK-LABEL: @test_simplify1(
-; CHECK-NOT: call i8* @strcat
-; CHECK: ret void
-
-  %dst = getelementptr [32 x i8], [32 x i8]* @a, i32 0, i32 0
-  %src = getelementptr [6 x i8], [6 x i8]* @hello, i32 0, i32 0
-  call i8* @strcat(i8* %dst, i8* %src)
-  ret void
-}
-
-define void @test_simplify2() {
-; CHECK-LABEL: @test_simplify2(
-; CHECK-NEXT: ret void
-
-  %dst = getelementptr [32 x i8], [32 x i8]* @a, i32 0, i32 0
-  %src = getelementptr [1 x i8], [1 x i8]* @empty, i32 0, i32 0
-  call i8* @strcat(i8* %dst, i8* %src)
-  ret void
-}