Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/InstCombine/stpcpy-1.ll

@@ -1,46 +0,0 @@
-; Test that the stpcpy library call simplifier works correctly.
-; RUN: opt < %s -instcombine -S | FileCheck %s
-;
-; This transformation requires the pointer size, as it assumes that size_t is
-; the size of a pointer.
-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-n8:16:32"
-
-@hello = constant [6 x i8] c"hello\00"
-@a = common global [32 x i8] zeroinitializer, align 1
-@b = common global [32 x i8] zeroinitializer, align 1
-
-declare i8* @stpcpy(i8*, i8*)
-
-define i8* @test_simplify1() {
-; CHECK-LABEL: @test_simplify1(
-
-  %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
-
-  %ret = call i8* @stpcpy(i8* %dst, i8* %src)
-; CHECK: @llvm.memcpy.p0i8.p0i8.i32
-; CHECK-NEXT: getelementptr inbounds ([32 x i8], [32 x i8]* @a, i32 0, i32 5)
-  ret i8* %ret
-}
-
-define i8* @test_simplify2() {
-; CHECK-LABEL: @test_simplify2(
-
-  %dst = getelementptr [32 x i8], [32 x i8]* @a, i32 0, i32 0
-
-  %ret = call i8* @stpcpy(i8* %dst, i8* %dst)
-; CHECK: [[LEN:%[a-z]+]] = call i32 @strlen
-; CHECK-NEXT: getelementptr inbounds [32 x i8], [32 x i8]* @a, i32 0, i32 [[LEN]]
-  ret i8* %ret
-}
-
-define i8* @test_no_simplify1() {
-; CHECK-LABEL: @test_no_simplify1(
-
-  %dst = getelementptr [32 x i8], [32 x i8]* @a, i32 0, i32 0
-  %src = getelementptr [32 x i8], [32 x i8]* @b, i32 0, i32 0
-
-  %ret = call i8* @stpcpy(i8* %dst, i8* %src)
-; CHECK: call i8* @stpcpy
-  ret i8* %ret
-}