Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/CodeGenPrepare/basic.ll

@@ -1,68 +0,0 @@
-; RUN: opt -codegenprepare -S < %s | FileCheck %s
-
-target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
-target triple = "x86_64-apple-darwin10.0.0"
-
-; CHECK-LABEL: @test1(
-; objectsize should fold to a constant, which causes the branch to fold to an
-; uncond branch. Next, we fold the control flow alltogether.
-; rdar://8785296
-define i32 @test1(i8* %ptr) nounwind ssp noredzone align 2 {
-entry:
-  %0 = tail call i64 @llvm.objectsize.i64(i8* %ptr, i1 false, i1 false)
-  %1 = icmp ugt i64 %0, 3
-  br i1 %1, label %T, label %trap
-
-; CHECK: T:
-; CHECK-NOT: br label %
-
-trap:                                             ; preds = %0, %entry
-  tail call void @llvm.trap() noreturn nounwind
-  unreachable
-
-T:
-; CHECK: ret i32 4
-  ret i32 4
-}
-
-; CHECK-LABEL: @test_objectsize_null_flag(
-define i64 @test_objectsize_null_flag(i8* %ptr) {
-entry:
-  ; CHECK: ret i64 -1
-  %0 = tail call i64 @llvm.objectsize.i64(i8* null, i1 false, i1 true)
-  ret i64 %0
-}
-
-; CHECK-LABEL: @test_objectsize_null_flag_min(
-define i64 @test_objectsize_null_flag_min(i8* %ptr) {
-entry:
-  ; CHECK: ret i64 0
-  %0 = tail call i64 @llvm.objectsize.i64(i8* null, i1 true, i1 true)
-  ret i64 %0
-}
-
-; Test foldable null pointers because we evaluate them with non-exact modes in
-; CodeGenPrepare.
-; CHECK-LABEL: @test_objectsize_null_flag_noas0(
-define i64 @test_objectsize_null_flag_noas0() {
-entry:
-  ; CHECK: ret i64 0
-  %0 = tail call i64 @llvm.objectsize.i64.p1i8(i8 addrspace(1)* null, i1 false,
-                                               i1 true)
-  ret i64 %0
-}
-
-; CHECK-LABEL: @test_objectsize_null_flag_min_noas0(
-define i64 @test_objectsize_null_flag_min_noas0() {
-entry:
-  ; CHECK: ret i64 0
-  %0 = tail call i64 @llvm.objectsize.i64.p1i8(i8 addrspace(1)* null, i1 true,
-                                               i1 true)
-  ret i64 %0
-}
-
-
-declare i64 @llvm.objectsize.i64(i8*, i1, i1) nounwind readonly
-declare i64 @llvm.objectsize.i64.p1i8(i8 addrspace(1)*, i1, i1) nounwind readonly
-
-declare void @llvm.trap() nounwind