Update the minimum external LLVM to 15

2024-11-22 06:44:35 +00:00 · 2023-07-27 14:07:08 -07:00 · 2023-07-27 14:07:08 -07:00 · 190ded8443
commit 190ded8443
parent 9339f446a5
44 changed files with 42 additions and 221 deletions
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@ -55,7 +55,7 @@ jobs:
          - name: mingw-check-tidy
            os: ubuntu-20.04-16core-64gb
            env: {}
-          - name: x86_64-gnu-llvm-14
+          - name: x86_64-gnu-llvm-15
            os: ubuntu-20.04-16core-64gb
            env: {}
          - name: x86_64-gnu-tools
@ -293,10 +293,6 @@ jobs:
            env:
              RUST_BACKTRACE: 1
            os: ubuntu-20.04-8core-32gb
-          - name: x86_64-gnu-llvm-14
-            env:
-              RUST_BACKTRACE: 1
-            os: ubuntu-20.04-8core-32gb
          - name: x86_64-gnu-nopt
            os: ubuntu-20.04-4core-16gb
            env: {}
--- a/compiler/rustc_codegen_llvm/src/attributes.rs
+++ b/compiler/rustc_codegen_llvm/src/attributes.rs
@ -363,50 +363,44 @@ pub fn from_fn_attrs<'ll, 'tcx>(
    if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::ALLOCATOR)
        || codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::ALLOCATOR_ZEROED)
    {
-        if llvm_util::get_version() >= (15, 0, 0) {
-            to_add.push(create_alloc_family_attr(cx.llcx));
-            // apply to argument place instead of function
-            let alloc_align = AttributeKind::AllocAlign.create_attr(cx.llcx);
-            attributes::apply_to_llfn(llfn, AttributePlace::Argument(1), &[alloc_align]);
-            to_add.push(llvm::CreateAllocSizeAttr(cx.llcx, 0));
-            let mut flags = AllocKindFlags::Alloc | AllocKindFlags::Aligned;
-            if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::ALLOCATOR) {
-                flags |= AllocKindFlags::Uninitialized;
-            } else {
-                flags |= AllocKindFlags::Zeroed;
-            }
-            to_add.push(llvm::CreateAllocKindAttr(cx.llcx, flags));
+        to_add.push(create_alloc_family_attr(cx.llcx));
+        // apply to argument place instead of function
+        let alloc_align = AttributeKind::AllocAlign.create_attr(cx.llcx);
+        attributes::apply_to_llfn(llfn, AttributePlace::Argument(1), &[alloc_align]);
+        to_add.push(llvm::CreateAllocSizeAttr(cx.llcx, 0));
+        let mut flags = AllocKindFlags::Alloc | AllocKindFlags::Aligned;
+        if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::ALLOCATOR) {
+            flags |= AllocKindFlags::Uninitialized;
+        } else {
+            flags |= AllocKindFlags::Zeroed;
        }
+        to_add.push(llvm::CreateAllocKindAttr(cx.llcx, flags));
        // apply to return place instead of function (unlike all other attributes applied in this function)
        let no_alias = AttributeKind::NoAlias.create_attr(cx.llcx);
        attributes::apply_to_llfn(llfn, AttributePlace::ReturnValue, &[no_alias]);
    }
    if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::REALLOCATOR) {
-        if llvm_util::get_version() >= (15, 0, 0) {
-            to_add.push(create_alloc_family_attr(cx.llcx));
-            to_add.push(llvm::CreateAllocKindAttr(
-                cx.llcx,
-                AllocKindFlags::Realloc | AllocKindFlags::Aligned,
-            ));
-            // applies to argument place instead of function place
-            let allocated_pointer = AttributeKind::AllocatedPointer.create_attr(cx.llcx);
-            attributes::apply_to_llfn(llfn, AttributePlace::Argument(0), &[allocated_pointer]);
-            // apply to argument place instead of function
-            let alloc_align = AttributeKind::AllocAlign.create_attr(cx.llcx);
-            attributes::apply_to_llfn(llfn, AttributePlace::Argument(2), &[alloc_align]);
-            to_add.push(llvm::CreateAllocSizeAttr(cx.llcx, 3));
-        }
+        to_add.push(create_alloc_family_attr(cx.llcx));
+        to_add.push(llvm::CreateAllocKindAttr(
+            cx.llcx,
+            AllocKindFlags::Realloc | AllocKindFlags::Aligned,
+        ));
+        // applies to argument place instead of function place
+        let allocated_pointer = AttributeKind::AllocatedPointer.create_attr(cx.llcx);
+        attributes::apply_to_llfn(llfn, AttributePlace::Argument(0), &[allocated_pointer]);
+        // apply to argument place instead of function
+        let alloc_align = AttributeKind::AllocAlign.create_attr(cx.llcx);
+        attributes::apply_to_llfn(llfn, AttributePlace::Argument(2), &[alloc_align]);
+        to_add.push(llvm::CreateAllocSizeAttr(cx.llcx, 3));
        let no_alias = AttributeKind::NoAlias.create_attr(cx.llcx);
        attributes::apply_to_llfn(llfn, AttributePlace::ReturnValue, &[no_alias]);
    }
    if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::DEALLOCATOR) {
-        if llvm_util::get_version() >= (15, 0, 0) {
-            to_add.push(create_alloc_family_attr(cx.llcx));
-            to_add.push(llvm::CreateAllocKindAttr(cx.llcx, AllocKindFlags::Free));
-            // applies to argument place instead of function place
-            let allocated_pointer = AttributeKind::AllocatedPointer.create_attr(cx.llcx);
-            attributes::apply_to_llfn(llfn, AttributePlace::Argument(0), &[allocated_pointer]);
-        }
+        to_add.push(create_alloc_family_attr(cx.llcx));
+        to_add.push(llvm::CreateAllocKindAttr(cx.llcx, AllocKindFlags::Free));
+        // applies to argument place instead of function place
+        let allocated_pointer = AttributeKind::AllocatedPointer.create_attr(cx.llcx);
+        attributes::apply_to_llfn(llfn, AttributePlace::Argument(0), &[allocated_pointer]);
    }
    if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::CMSE_NONSECURE_ENTRY) {
        to_add.push(llvm::CreateAttrString(cx.llcx, "cmse_nonsecure_entry"));
--- a/compiler/rustc_codegen_llvm/src/llvm_util.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm_util.rs
@ -507,8 +507,6 @@ pub(crate) fn global_llvm_features(sess: &Session, diagnostics: bool) -> Vec<Str
            .features
            .split(',')
            .filter(|v| !v.is_empty() && backend_feature_name(v).is_some())
-            // Drop +atomics-32 feature introduced in LLVM 15.
-            .filter(|v| *v != "+atomics-32" || get_version() >= (15, 0, 0))
            .map(String::from),
    );

--- a/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h
+++ b/compiler/rustc_llvm/llvm-wrapper/LLVMWrapper.h
@ -92,10 +92,8 @@ enum LLVMRustAttribute {
  NoCfCheck = 35,
  ShadowCallStack = 36,
  AllocSize = 37,
-#if LLVM_VERSION_GE(15, 0)
  AllocatedPointer = 38,
  AllocAlign = 39,
-#endif
  SanitizeSafeStack = 40,
 };

--- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp
@ -801,9 +801,6 @@ LLVMRustOptimize(
      OptimizerLastEPCallbacks.push_back(
        [SanitizerOptions](ModulePassManager &MPM, OptimizationLevel Level) {
          auto CompileKernel = SanitizerOptions->SanitizeKernelAddress;
-#if LLVM_VERSION_LT(15, 0)
-          MPM.addPass(RequireAnalysisPass<ASanGlobalsMetadataAnalysis, Module>());
-#endif
          AddressSanitizerOptions opts = AddressSanitizerOptions{
            CompileKernel,
            SanitizerOptions->SanitizeAddressRecover
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@ -277,12 +277,10 @@ static Attribute::AttrKind fromRust(LLVMRustAttribute Kind) {
    return Attribute::ShadowCallStack;
  case AllocSize:
    return Attribute::AllocSize;
-#if LLVM_VERSION_GE(15, 0)
  case AllocatedPointer:
    return Attribute::AllocatedPointer;
  case AllocAlign:
    return Attribute::AllocAlign;
-#endif
  case SanitizeSafeStack:
    return Attribute::SafeStack;
  }
@ -340,20 +338,12 @@ extern "C" LLVMAttributeRef LLVMRustCreateStructRetAttr(LLVMContextRef C, LLVMTy
 }

 extern "C" LLVMAttributeRef LLVMRustCreateElementTypeAttr(LLVMContextRef C, LLVMTypeRef Ty) {
-#if LLVM_VERSION_GE(15, 0)
  return wrap(Attribute::get(*unwrap(C), Attribute::ElementType, unwrap(Ty)));
-#else
-  report_fatal_error("Should not be needed on LLVM < 15");
-#endif
 }

 extern "C" LLVMAttributeRef LLVMRustCreateUWTableAttr(LLVMContextRef C, bool Async) {
-#if LLVM_VERSION_LT(15, 0)
-  return wrap(Attribute::get(*unwrap(C), Attribute::UWTable));
-#else
  return wrap(Attribute::getWithUWTableKind(
      *unwrap(C), Async ? UWTableKind::Async : UWTableKind::Sync));
-#endif
 }

 extern "C" LLVMAttributeRef LLVMRustCreateAllocSizeAttr(LLVMContextRef C, uint32_t ElementSizeArg) {
@ -366,8 +356,6 @@ extern "C" LLVMAttributeRef LLVMRustCreateAllocSizeAttr(LLVMContextRef C, uint32
                                              ));
 }

-#if LLVM_VERSION_GE(15, 0)
-
 // These values **must** match ffi::AllocKindFlags.
 // It _happens_ to match the LLVM values of llvm::AllocFnKind,
 // but that's happenstance and we do explicit conversions before
@ -411,16 +399,10 @@ static llvm::AllocFnKind allocKindFromRust(LLVMRustAllocKindFlags F) {
  }
  return AFK;
 }
-#endif

 extern "C" LLVMAttributeRef LLVMRustCreateAllocKindAttr(LLVMContextRef C, uint64_t AllocKindArg) {
-#if LLVM_VERSION_GE(15, 0)
  return wrap(Attribute::get(*unwrap(C), Attribute::AllocKind,
      static_cast<uint64_t>(allocKindFromRust(static_cast<LLVMRustAllocKindFlags>(AllocKindArg)))));
-#else
-  report_fatal_error(
-      "allockind attributes are new in LLVM 15 and should not be used on older LLVMs");
-#endif
 }

 // Simplified representation of `MemoryEffects` across the FFI boundary.
@ -517,14 +499,9 @@ LLVMRustInlineAsm(LLVMTypeRef Ty, char *AsmString, size_t AsmStringLen,

 extern "C" bool LLVMRustInlineAsmVerify(LLVMTypeRef Ty, char *Constraints,
                                        size_t ConstraintsLen) {
-#if LLVM_VERSION_LT(15, 0)
-  return InlineAsm::Verify(unwrap<FunctionType>(Ty),
-                           StringRef(Constraints, ConstraintsLen));
-#else
  // llvm::Error converts to true if it is an error.
  return !llvm::errorToBool(InlineAsm::verify(
      unwrap<FunctionType>(Ty), StringRef(Constraints, ConstraintsLen)));
-#endif
 }

 typedef DIBuilder *LLVMRustDIBuilderRef;
@ -1649,19 +1626,11 @@ extern "C" bool LLVMRustConstInt128Get(LLVMValueRef CV, bool sext, uint64_t *hig
    auto C = unwrap<llvm::ConstantInt>(CV);
    if (C->getBitWidth() > 128) { return false; }
    APInt AP;
-#if LLVM_VERSION_GE(15, 0)
    if (sext) {
        AP = C->getValue().sext(128);
    } else {
        AP = C->getValue().zext(128);
    }
-#else
-    if (sext) {
-        AP = C->getValue().sextOrSelf(128);
-    } else {
-        AP = C->getValue().zextOrSelf(128);
-    }
-#endif
    *low = AP.getLoBits(64).getZExtValue();
    *high = AP.getHiBits(64).getZExtValue();
    return true;
@ -2037,16 +2006,7 @@ extern "C" void LLVMRustGetMangledName(LLVMValueRef V, RustStringRef Str) {
  Mangler().getNameWithPrefix(OS, GV, true);
 }

-// LLVMGetAggregateElement was added in LLVM 15. For earlier LLVM versions just
-// use its implementation.
-#if LLVM_VERSION_LT(15, 0)
-extern "C" LLVMValueRef LLVMGetAggregateElement(LLVMValueRef C, unsigned Idx) {
-    return wrap(unwrap<Constant>(C)->getAggregateElement(Idx));
-}
-#endif
-
 extern "C" int32_t LLVMRustGetElementTypeArgIndex(LLVMValueRef CallSite) {
-#if LLVM_VERSION_GE(15, 0)
    auto *CB = unwrap<CallBase>(CallSite);
    switch (CB->getIntrinsicID()) {
        case Intrinsic::arm_ldrex:
@ -2054,7 +2014,6 @@ extern "C" int32_t LLVMRustGetElementTypeArgIndex(LLVMValueRef CallSite) {
        case Intrinsic::arm_strex:
            return 1;
    }
-#endif
    return -1;
 }

--- a/src/bootstrap/llvm.rs
+++ b/src/bootstrap/llvm.rs
@ -525,11 +525,11 @@ fn check_llvm_version(builder: &Builder<'_>, llvm_config: &Path) {
    let version = output(cmd.arg("--version"));
    let mut parts = version.split('.').take(2).filter_map(|s| s.parse::<u32>().ok());
    if let (Some(major), Some(_minor)) = (parts.next(), parts.next()) {
-        if major >= 14 {
+        if major >= 15 {
            return;
        }
    }
-    panic!("\n\nbad LLVM version: {}, need >=14.0\n\n", version)
+    panic!("\n\nbad LLVM version: {}, need >=15.0\n\n", version)
 }

 fn configure_cmake(
--- a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-14/Dockerfile
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-14/Dockerfile
@ -1,54 +0,0 @@
-FROM ubuntu:22.04
-
-ARG DEBIAN_FRONTEND=noninteractive
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-  g++ \
-  gcc-multilib \
-  make \
-  ninja-build \
-  file \
-  curl \
-  ca-certificates \
-  python3.11 \
-  git \
-  cmake \
-  sudo \
-  gdb \
-  llvm-14-tools \
-  llvm-14-dev \
-  libedit-dev \
-  libssl-dev \
-  pkg-config \
-  zlib1g-dev \
-  xz-utils \
-  nodejs \
-  mingw-w64 \
-  && rm -rf /var/lib/apt/lists/*
-
-# Install powershell (universal package) so we can test x.ps1 on Linux
-RUN curl -sL "https://github.com/PowerShell/PowerShell/releases/download/v7.3.1/powershell_7.3.1-1.deb_amd64.deb" > powershell.deb && \
-    dpkg -i powershell.deb && \
-    rm -f powershell.deb
-
-COPY scripts/sccache.sh /scripts/
-RUN sh /scripts/sccache.sh
-
-# We are disabling CI LLVM since this builder is intentionally using a host
-# LLVM, rather than the typical src/llvm-project LLVM.
-ENV NO_DOWNLOAD_CI_LLVM 1
-
-# This is not the latest LLVM version, so some components required by tests may
-# be missing.
-ENV IS_NOT_LATEST_LLVM 1
-
-# Using llvm-link-shared due to libffi issues -- see #34486
-ENV RUST_CONFIGURE_ARGS \
-      --build=x86_64-unknown-linux-gnu \
-      --llvm-root=/usr/lib/llvm-14 \
-      --enable-llvm-link-shared \
-      --set rust.thin-lto-import-instr-limit=10
-
-COPY host-x86_64/x86_64-gnu-llvm-14/script.sh /tmp/
-
-ENV SCRIPT /tmp/script.sh
--- a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-15/Dockerfile
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-15/Dockerfile
@ -1,4 +1,4 @@
-FROM ubuntu:22.10
+FROM ubuntu:22.04

 ARG DEBIAN_FRONTEND=noninteractive

@ -10,7 +10,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
  file \
  curl \
  ca-certificates \
-  python3 \
+  python3.11 \
  git \
  cmake \
  sudo \
@ -49,20 +49,6 @@ ENV RUST_CONFIGURE_ARGS \
      --enable-llvm-link-shared \
      --set rust.thin-lto-import-instr-limit=10

-# NOTE: intentionally uses all of `x.py`, `x`, and `x.ps1` to make sure they all work on Linux.
-ENV SCRIPT ../x.py --stage 2 test --exclude src/tools/tidy && \
-           # Run the `mir-opt` tests again but this time for a 32-bit target.
-           # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have
-           # both 32-bit and 64-bit outputs updated by the PR author, before
-           # the PR is approved and tested for merging.
-           # It will also detect tests lacking `// EMIT_MIR_FOR_EACH_BIT_WIDTH`,
-           # despite having different output on 32-bit vs 64-bit targets.
-           ../x --stage 2 test tests/mir-opt \
-                             --host='' --target=i686-unknown-linux-gnu && \
-           # Run the UI test suite again, but in `--pass=check` mode
-           #
-           # This is intended to make sure that both `--pass=check` continues to
-           # work.
-           #
-           ../x.ps1 --stage 2 test tests/ui --pass=check \
-                             --host='' --target=i686-unknown-linux-gnu
+COPY host-x86_64/x86_64-gnu-llvm-15/script.sh /tmp/
+
+ENV SCRIPT /tmp/script.sh
--- a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-15/script.sh
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-15/script.sh
--- a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-16/Dockerfile
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-16/Dockerfile
@ -45,20 +45,6 @@ ENV RUST_CONFIGURE_ARGS \
      --enable-llvm-link-shared \
      --set rust.thin-lto-import-instr-limit=10

-# NOTE: intentionally uses all of `x.py`, `x`, and `x.ps1` to make sure they all work on Linux.
-ENV SCRIPT ../x.py --stage 2 test --exclude src/tools/tidy && \
-           # Run the `mir-opt` tests again but this time for a 32-bit target.
-           # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have
-           # both 32-bit and 64-bit outputs updated by the PR author, before
-           # the PR is approved and tested for merging.
-           # It will also detect tests lacking `// EMIT_MIR_FOR_EACH_BIT_WIDTH`,
-           # despite having different output on 32-bit vs 64-bit targets.
-           ../x --stage 2 test tests/mir-opt \
-                             --host='' --target=i686-unknown-linux-gnu && \
-           # Run the UI test suite again, but in `--pass=check` mode
-           #
-           # This is intended to make sure that both `--pass=check` continues to
-           # work.
-           #
-           ../x.ps1 --stage 2 test tests/ui --pass=check \
-                             --host='' --target=i686-unknown-linux-gnu
+COPY host-x86_64/x86_64-gnu-llvm-15/script.sh /tmp/
+
+ENV SCRIPT /tmp/script.sh
--- a/src/ci/github-actions/ci.yml
+++ b/src/ci/github-actions/ci.yml
@ -323,7 +323,7 @@ jobs:
          - name: mingw-check-tidy
            <<: *job-linux-16c

-          - name: x86_64-gnu-llvm-14
+          - name: x86_64-gnu-llvm-15
            <<: *job-linux-16c

          - name: x86_64-gnu-tools
@ -469,11 +469,6 @@ jobs:
              RUST_BACKTRACE: 1
            <<: *job-linux-8c

-          - name: x86_64-gnu-llvm-14
-            env:
-              RUST_BACKTRACE: 1
-            <<: *job-linux-8c
-
          - name: x86_64-gnu-nopt
            <<: *job-linux-4c

--- a/tests/assembly/is_aligned.rs
+++ b/tests/assembly/is_aligned.rs
@ -1,5 +1,4 @@
 // assembly-output: emit-asm
-// min-llvm-version: 15.0
 // only-x86_64
 // ignore-sgx
 // revisions: opt-speed opt-size
--- a/tests/assembly/slice-is_ascii.rs
+++ b/tests/assembly/slice-is_ascii.rs
@ -3,7 +3,6 @@
 // [LIN] only-linux
 // assembly-output: emit-asm
 // compile-flags: --crate-type=lib -O -C llvm-args=-x86-asm-syntax=intel
-// min-llvm-version: 14
 // only-x86_64
 // ignore-sgx
 // ignore-debug
--- a/tests/assembly/strict_provenance.rs
+++ b/tests/assembly/strict_provenance.rs
@ -2,7 +2,6 @@
 // compile-flags: -Copt-level=1
 // only-x86_64
 // ignore-sgx
-// min-llvm-version: 15.0
 #![crate_type = "rlib"]

 // CHECK-LABEL: old_style
--- a/tests/codegen/addr-of-mutate.rs
+++ b/tests/codegen/addr-of-mutate.rs
@ -1,5 +1,4 @@
 // compile-flags: -C opt-level=3 -C no-prepopulate-passes
-// min-llvm-version: 15.0 (for opaque pointers)

 #![crate_type = "lib"]

--- a/tests/codegen/align-offset.rs
+++ b/tests/codegen/align-offset.rs
@ -1,5 +1,4 @@
 // compile-flags: -O
-// min-llvm-version: 15.0 (because we're using opaque pointers)
 // ignore-debug (debug assertions in `slice::from_raw_parts` block optimizations)

 #![crate_type = "lib"]
--- a/tests/codegen/array-codegen.rs
+++ b/tests/codegen/array-codegen.rs
@ -1,5 +1,4 @@
 // compile-flags: -O -C no-prepopulate-passes
-// min-llvm-version: 15.0 (for opaque pointers)

 #![crate_type = "lib"]

--- a/tests/codegen/box-maybe-uninit.rs
+++ b/tests/codegen/box-maybe-uninit.rs
@ -1,5 +1,4 @@
 // compile-flags: -O
-// min-llvm-version: 15.0
 #![crate_type = "lib"]

 use std::mem::MaybeUninit;
--- a/tests/codegen/comparison-operators-2-tuple.rs
+++ b/tests/codegen/comparison-operators-2-tuple.rs
@ -1,5 +1,4 @@
 // compile-flags: -C opt-level=1 -Z merge-functions=disabled
-// min-llvm-version: 15.0
 // only-x86_64

 #![crate_type = "lib"]
--- a/tests/codegen/comparison-operators-newtype.rs
+++ b/tests/codegen/comparison-operators-newtype.rs
@ -3,7 +3,6 @@
 // in the operators for such a type all optimize away.

 // compile-flags: -C opt-level=1
-// min-llvm-version: 15.0

 #![crate_type = "lib"]

--- a/tests/codegen/consts.rs
+++ b/tests/codegen/consts.rs
@ -1,5 +1,4 @@
 // compile-flags: -C no-prepopulate-passes
-// min-llvm-version: 15.0 (for opaque pointers)

 #![crate_type = "lib"]

--- a/tests/codegen/intrinsics/offset.rs
+++ b/tests/codegen/intrinsics/offset.rs
@ -1,5 +1,4 @@
 // compile-flags: -O -C no-prepopulate-passes
-// min-llvm-version: 15.0 (because we're using opaque pointers)

 #![crate_type = "lib"]
 #![feature(core_intrinsics)]
--- a/tests/codegen/intrinsics/transmute-niched.rs
+++ b/tests/codegen/intrinsics/transmute-niched.rs
@ -2,7 +2,6 @@
 // [OPT] compile-flags: -C opt-level=3 -C no-prepopulate-passes
 // [DBG] compile-flags: -C opt-level=0 -C no-prepopulate-passes
 // only-64bit (so I don't need to worry about usize)
-// min-llvm-version: 15.0 # this test assumes `ptr`s

 #![crate_type = "lib"]

--- a/tests/codegen/intrinsics/transmute-x64.rs
+++ b/tests/codegen/intrinsics/transmute-x64.rs
@ -1,6 +1,5 @@
 // compile-flags: -O -C no-prepopulate-passes
 // only-x86_64 (it's using arch-specific types)
-// min-llvm-version: 15.0 # this test assumes `ptr`s

 #![crate_type = "lib"]

--- a/tests/codegen/intrinsics/transmute.rs
+++ b/tests/codegen/intrinsics/transmute.rs
@ -1,6 +1,5 @@
 // compile-flags: -O -C no-prepopulate-passes
 // only-64bit (so I don't need to worry about usize)
-// min-llvm-version: 15.0 # this test assumes `ptr`s

 #![crate_type = "lib"]
 #![feature(core_intrinsics)]
--- a/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs
+++ b/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs
@ -1,6 +1,5 @@
 // compile-flags: --crate-type=lib -O -Cdebuginfo=2 -Cno-prepopulate-passes -Zmir-enable-passes=-ScalarReplacementOfAggregates
 // MIR SROA will decompose the closure
-// min-llvm-version: 15.0 # this test uses opaque pointer notation
 #![feature(stmt_expr_attributes)]

 pub struct S([usize; 8]);
@ -16,8 +15,8 @@ pub fn outer_function(x: S, y: S) -> usize {
 // Check that we do not attempt to load from the spilled arg before it is assigned to
 // when generating debuginfo.
 // CHECK-LABEL: @outer_function
-// CHECK: [[spill:%.*]] = alloca %"[closure@{{.*.rs}}:10:23: 10:25]"
-// CHECK-NOT: [[ptr_tmp:%.*]] = getelementptr inbounds %"[closure@{{.*.rs}}:10:23: 10:25]", ptr [[spill]]
+// CHECK: [[spill:%.*]] = alloca %"[closure@{{.*.rs}}:9:23: 9:25]"
+// CHECK-NOT: [[ptr_tmp:%.*]] = getelementptr inbounds %"[closure@{{.*.rs}}:9:23: 9:25]", ptr [[spill]]
 // CHECK-NOT: [[load:%.*]] = load ptr, ptr
 // CHECK: call void @llvm.lifetime.start{{.*}}({{.*}}, ptr [[spill]])
 // CHECK: [[inner:%.*]] = getelementptr inbounds %"{{.*}}", ptr [[spill]]
--- a/tests/codegen/issues/issue-85872-multiple-reverse.rs
+++ b/tests/codegen/issues/issue-85872-multiple-reverse.rs
@ -1,4 +1,3 @@
-// min-llvm-version: 15.0.0
 // compile-flags: -O

 #![crate_type = "lib"]
--- a/tests/codegen/issues/issue-86106.rs
+++ b/tests/codegen/issues/issue-86106.rs
@ -1,4 +1,3 @@
-// min-llvm-version: 15.0
 // only-64bit llvm appears to use stores instead of memset on 32bit
 // compile-flags: -C opt-level=3 -Z merge-functions=disabled

--- a/tests/codegen/issues/issue-96274.rs
+++ b/tests/codegen/issues/issue-96274.rs
@ -1,4 +1,3 @@
-// min-llvm-version: 15.0
 // compile-flags: -O

 #![crate_type = "lib"]
--- a/tests/codegen/issues/issue-96497-slice-size-nowrap.rs
+++ b/tests/codegen/issues/issue-96497-slice-size-nowrap.rs
@ -3,7 +3,6 @@
 // in some situations, see https://github.com/rust-lang/rust/issues/96497#issuecomment-1112865218

 // compile-flags: -O
-// min-llvm-version: 15.0

 #![crate_type="lib"]

--- a/tests/codegen/issues/issue-98294-get-mut-copy-from-slice-opt.rs
+++ b/tests/codegen/issues/issue-98294-get-mut-copy-from-slice-opt.rs
@ -1,4 +1,3 @@
-// min-llvm-version: 15.0.0
 // ignore-debug: The debug assertions get in the way
 // compile-flags: -O

--- a/tests/codegen/mem-replace-simple-type.rs
+++ b/tests/codegen/mem-replace-simple-type.rs
@ -1,5 +1,4 @@
 // compile-flags: -O -C no-prepopulate-passes
-// min-llvm-version: 15.0 (for opaque pointers)
 // only-x86_64 (to not worry about usize differing)
 // ignore-debug (the debug assertions get in the way)

--- a/tests/codegen/slice_as_from_ptr_range.rs
+++ b/tests/codegen/slice_as_from_ptr_range.rs
@ -1,7 +1,6 @@
 // compile-flags: -O
 // only-64bit (because we're using [ui]size)
 // ignore-debug (because the assertions get in the way)
-// min-llvm-version: 15.0 (because this is a relatively new instcombine)

 #![crate_type = "lib"]
 #![feature(slice_from_ptr_range)]
--- a/tests/codegen/transmute-optimized.rs
+++ b/tests/codegen/transmute-optimized.rs
@ -1,5 +1,4 @@
 // compile-flags: -O -Z merge-functions=disabled
-// min-llvm-version: 15.0 # this test uses `ptr`s
 // ignore-debug

 #![crate_type = "lib"]
--- a/tests/codegen/transmute-scalar.rs
+++ b/tests/codegen/transmute-scalar.rs
@ -1,5 +1,4 @@
 // compile-flags: -C opt-level=0 -C no-prepopulate-passes
-// min-llvm-version: 15.0 # this test assumes `ptr`s and thus no `pointercast`s

 #![crate_type = "lib"]

--- a/tests/codegen/try_question_mark_nop.rs
+++ b/tests/codegen/try_question_mark_nop.rs
@ -1,4 +1,3 @@
-// min-llvm-version: 15.0
 // compile-flags: -O -Z merge-functions=disabled --edition=2021
 // only-x86_64

--- a/tests/codegen/unchecked_shifts.rs
+++ b/tests/codegen/unchecked_shifts.rs
@ -1,5 +1,4 @@
 // compile-flags: -O
-// min-llvm-version: 15.0 (LLVM 13 in CI does this differently from submodule LLVM)
 // ignore-debug (because unchecked is checked in debug)

 #![crate_type = "lib"]
--- a/tests/codegen/uninit-consts.rs
+++ b/tests/codegen/uninit-consts.rs
@ -1,5 +1,4 @@
 // compile-flags: -C no-prepopulate-passes
-// min-llvm-version: 15.0 (for opaque pointers)

 // Check that we use undef (and not zero) for uninitialized bytes in constants.

--- a/tests/codegen/vec-calloc.rs
+++ b/tests/codegen/vec-calloc.rs
@ -1,7 +1,6 @@
 // compile-flags: -O -Z merge-functions=disabled
 // only-x86_64
 // ignore-debug
-// min-llvm-version: 15.0

 #![crate_type = "lib"]

--- a/tests/ui/asm/x86_64/issue-96797.rs
+++ b/tests/ui/asm/x86_64/issue-96797.rs
@ -1,6 +1,5 @@
 // build-pass
 // compile-flags: -O
-// min-llvm-version: 14.0.5
 // needs-asm-support
 // only-x86_64
 // only-linux
--- a/tests/ui/codegen/issue-55976.rs
+++ b/tests/ui/codegen/issue-55976.rs
@ -1,7 +1,5 @@
 // run-pass
 // ^-- The above is needed as this issue is related to LLVM/codegen.
-// min-llvm-version:15.0.0
-// ^-- The above is needed as this issue is fixed by the opaque pointers.

 fn main() {
    type_error(|x| &x);
--- a/tests/ui/dyn-star/llvm-old-style-ptrs.rs
+++ b/tests/ui/dyn-star/llvm-old-style-ptrs.rs
@ -1,8 +1,6 @@
 // run-pass
 // compile-flags: -Copt-level=0 -Cllvm-args=-opaque-pointers=0

-// (opaque-pointers flag is called force-opaque-pointers in LLVM 13...)
-// min-llvm-version: 14.0
 // (the ability to disable opaque pointers has been removed in LLVM 17)
 // ignore-llvm-version: 17 - 99

--- a/tests/ui/generics/issue-94923.rs
+++ b/tests/ui/generics/issue-94923.rs
@ -1,6 +1,5 @@
 // run-pass
 // regression test for issue #94923
-// min-llvm-version: 15.0.0
 // compile-flags: -C opt-level=3

 fn f0<T>(mut x: usize) -> usize {