Imported Upstream version 5.18.0.234

Former-commit-id: 8071ec1a8c5eaa9be24b41745add19297608001f

external/llvm/test/Instrumentation/SanitizerCoverage/stack-depth.ll

@@ -1,43 +0,0 @@
-; This check verifies that stack depth instrumentation works correctly.
-; RUN: opt < %s -sancov -sanitizer-coverage-level=1 \
-; RUN:     -sanitizer-coverage-stack-depth -S | FileCheck %s
-; RUN: opt < %s -sancov -sanitizer-coverage-level=3 \
-; RUN:     -sanitizer-coverage-stack-depth -sanitizer-coverage-trace-pc-guard \
-; RUN:     -S | FileCheck %s
-
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-; CHECK: @__sancov_lowest_stack = thread_local(initialexec) global i64 -1
-@__sancov_lowest_stack = thread_local global i64 0, align 8
-
-define i32 @foo() {
-entry:
-; CHECK-LABEL: define i32 @foo
-; CHECK-NOT: call i8* @llvm.frameaddress(i32 0)
-; CHECK-NOT: @__sancov_lowest_stack
-; CHECK: ret i32 7
-
-  ret i32 7
-}
-
-define i32 @bar() {
-entry:
-; CHECK-LABEL: define i32 @bar
-; CHECK: [[framePtr:%[^ \t]+]] = call i8* @llvm.frameaddress(i32 0)
-; CHECK: [[frameInt:%[^ \t]+]] = ptrtoint i8* [[framePtr]] to [[intType:i[0-9]+]]
-; CHECK: [[lowest:%[^ \t]+]] = load [[intType]], [[intType]]* @__sancov_lowest_stack
-; CHECK: [[cmp:%[^ \t]+]] = icmp ult [[intType]] [[frameInt]], [[lowest]]
-; CHECK: br i1 [[cmp]], label %[[ifLabel:[^ \t]+]], label
-; CHECK: <label>:[[ifLabel]]:
-; CHECK: store [[intType]] [[frameInt]], [[intType]]* @__sancov_lowest_stack
-; CHECK: %call = call i32 @foo()
-; CHECK: ret i32 %call
-
-  %call = call i32 @foo()
-  ret i32 %call
-}
-
-define weak_odr hidden i64* @_ZTW21__sancov_lowest_stack() {
-  ret i64* @__sancov_lowest_stack
-}