Auto merge of #127513 - nikic:llvm-19, r=<try>

Update to LLVM 19

r? `@ghost`

Author: bors

.gitmodules

@@ -32,8 +32,8 @@
 	shallow = true
 [submodule "src/llvm-project"]
 	path = src/llvm-project
-	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/18.1-2024-05-19
+	url = https://github.com/nikic/llvm-project.git
+	branch = rust-llvm-19
 	shallow = true
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book

compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp

@@ -1562,11 +1562,11 @@ LLVMRustGetInstrProfMCDCTVBitmapUpdateIntrinsic(LLVMModuleRef M) {
 
 extern "C" LLVMValueRef
 LLVMRustGetInstrProfMCDCCondBitmapIntrinsic(LLVMModuleRef M) {
-#if LLVM_VERSION_GE(18, 0)
+#if LLVM_VERSION_GE(18, 0) && LLVM_VERSION_LT(19, 0)
   return wrap(llvm::Intrinsic::getDeclaration(
       unwrap(M), llvm::Intrinsic::instrprof_mcdc_condbitmap_update));
 #else
-  report_fatal_error("LLVM 18.0 is required for mcdc intrinsic functions");
+  report_fatal_error("The instrprof_mcdc_condbitmap_update only exists in LLVM 18");
 #endif
 }
 

src/llvm-project

@@ -1,5 +1,6 @@
 //@ ignore-debug: FIXME: checks for call detect scoped noalias metadata
 //@ compile-flags: -O -Z merge-functions=disabled
+//@ ignore-llvm-version: 19-99
 #![crate_type = "lib"]
 
 // Ensure that trivial casts of vec elements are O(1)

tests/codegen/vec-in-place.rs

@@ -1,6 +1,7 @@
 #![feature(coverage_attribute)]
 //@ edition: 2021
 //@ min-llvm-version: 18
+//@ ignore-llvm-version: 19-99
 //@ compile-flags: -Zcoverage-options=mcdc
 //@ llvm-cov-flags: --show-branches=count --show-mcdc
 

tests/coverage/mcdc/condition-limit.rs

@@ -1,6 +1,7 @@
 #![feature(coverage_attribute)]
 //@ edition: 2021
 //@ min-llvm-version: 18
+//@ ignore-llvm-version: 19-99
 //@ compile-flags: -Zcoverage-options=mcdc
 //@ llvm-cov-flags: --show-mcdc
 

tests/coverage/mcdc_if.rs

@@ -1,6 +1,7 @@
 #![feature(coverage_attribute)]
 //@ edition: 2021
 //@ min-llvm-version: 18
+//@ ignore-llvm-version: 19-99
 //@ compile-flags: -Zcoverage-options=mcdc
 //@ llvm-cov-flags: --show-mcdc
 

tests/coverage/mcdc_nested_if.rs

@@ -1,6 +1,7 @@
 #![feature(coverage_attribute)]
 //@ edition: 2021
 //@ min-llvm-version: 18
+//@ ignore-llvm-version: 19-99
 //@ compile-flags: -Zcoverage-options=mcdc
 //@ llvm-cov-flags: --show-mcdc