Auto merge of #83412 - pnkfelix:stable-revert-effect-of-pr-77885-for-…

…issue-83139, r=nagisa [stable] probe-stack=call everywhere again, for now. To buy time on issue 83139, revert effect of PR 77885: We will not conditionally enable probe-stack=inline-asm on LLVM 11+ anymore on any of our targets that opted into doing so on PR #77885 (and were subsequently configured to do so in a fine grained manner on PR #80838). After we resolve 83139 (potentially by backporting a fix to LLVM, or potentially by deciding that one cannot rely on the quality of our DWARF output in the manner described in issue 83139), we can change this back. cc #83139
rust-lang · Mar 23, 2021 · 2fd73fa · 2fd73fa
2 parents 9bb6d54 + b75894e
commit 2fd73fa
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Showing 33 changed files with 64 additions and 75 deletions.
diff --git a/compiler/rustc_target/src/spec/i386_apple_ios.rs b/compiler/rustc_target/src/spec/i386_apple_ios.rs
@@ -12,7 +12,8 @@ pub fn target() -> Target {
         arch: "x86".to_string(),
         options: TargetOptions {
             max_atomic_width: Some(64),
-            stack_probes: StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) },
+            // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+            stack_probes: StackProbeType::Call,
             ..base
         },
     }

diff --git a/compiler/rustc_target/src/spec/i686_apple_darwin.rs b/compiler/rustc_target/src/spec/i686_apple_darwin.rs
@@ -6,7 +6,8 @@ pub fn target() -> Target {
     base.max_atomic_width = Some(64);
     base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-m32".to_string()]);
     base.link_env_remove.extend(super::apple_base::macos_link_env_remove());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
     base.eliminate_frame_pointer = false;
 
     // Clang automatically chooses a more specific target based on

diff --git a/compiler/rustc_target/src/spec/i686_linux_android.rs b/compiler/rustc_target/src/spec/i686_linux_android.rs
@@ -11,7 +11,8 @@ pub fn target() -> Target {
     // http://developer.android.com/ndk/guides/abis.html#x86
     base.cpu = "pentiumpro".to_string();
     base.features = "+mmx,+sse,+sse2,+sse3,+ssse3".to_string();
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "i686-linux-android".to_string(),

diff --git a/compiler/rustc_target/src/spec/i686_unknown_freebsd.rs b/compiler/rustc_target/src/spec/i686_unknown_freebsd.rs
@@ -7,7 +7,9 @@ pub fn target() -> Target {
     let pre_link_args = base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap();
     pre_link_args.push("-m32".to_string());
     pre_link_args.push("-Wl,-znotext".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "i686-unknown-freebsd".to_string(),

diff --git a/compiler/rustc_target/src/spec/i686_unknown_haiku.rs b/compiler/rustc_target/src/spec/i686_unknown_haiku.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "pentium4".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-m32".to_string()]);
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "i686-unknown-haiku".to_string(),

diff --git a/compiler/rustc_target/src/spec/i686_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/i686_unknown_linux_gnu.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "pentium4".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m32".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "i686-unknown-linux-gnu".to_string(),

diff --git a/compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/i686_unknown_linux_musl.rs
@@ -6,7 +6,8 @@ pub fn target() -> Target {
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m32".to_string());
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-Wl,-melf_i386".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     // The unwinder used by i686-unknown-linux-musl, the LLVM libunwind
     // implementation, apparently relies on frame pointers existing... somehow.

diff --git a/compiler/rustc_target/src/spec/i686_unknown_netbsd.rs b/compiler/rustc_target/src/spec/i686_unknown_netbsd.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "pentium4".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m32".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "i686-unknown-netbsdelf".to_string(),

diff --git a/compiler/rustc_target/src/spec/i686_unknown_openbsd.rs b/compiler/rustc_target/src/spec/i686_unknown_openbsd.rs
@@ -6,7 +6,8 @@ pub fn target() -> Target {
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m32".to_string());
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-fuse-ld=lld".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "i686-unknown-openbsd".to_string(),

diff --git a/compiler/rustc_target/src/spec/i686_wrs_vxworks.rs b/compiler/rustc_target/src/spec/i686_wrs_vxworks.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "pentium4".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m32".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "i686-unknown-linux-gnu".to_string(),

diff --git a/compiler/rustc_target/src/spec/linux_kernel_base.rs b/compiler/rustc_target/src/spec/linux_kernel_base.rs
@@ -13,7 +13,8 @@ pub fn opts() -> TargetOptions {
         env: "gnu".to_string(),
         disable_redzone: true,
         panic_strategy: PanicStrategy::Abort,
-        stack_probes: StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) },
+        // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+        stack_probes: StackProbeType::Call,
         eliminate_frame_pointer: false,
         linker_is_gnu: true,
         position_independent_executables: true,

diff --git a/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs b/compiler/rustc_target/src/spec/x86_64_apple_darwin.rs
@@ -10,7 +10,8 @@ pub fn target() -> Target {
         vec!["-m64".to_string(), "-arch".to_string(), "x86_64".to_string()],
     );
     base.link_env_remove.extend(super::apple_base::macos_link_env_remove());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     // Clang automatically chooses a more specific target based on
     // MACOSX_DEPLOYMENT_TARGET.  To enable cross-language LTO to work

diff --git a/compiler/rustc_target/src/spec/x86_64_apple_ios.rs b/compiler/rustc_target/src/spec/x86_64_apple_ios.rs
@@ -11,7 +11,8 @@ pub fn target() -> Target {
         arch: "x86_64".to_string(),
         options: TargetOptions {
             max_atomic_width: Some(64),
-            stack_probes: StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) },
+            // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+            stack_probes: StackProbeType::Call,
             ..base
         },
     }

diff --git a/compiler/rustc_target/src/spec/x86_64_apple_ios_macabi.rs b/compiler/rustc_target/src/spec/x86_64_apple_ios_macabi.rs
@@ -11,7 +11,8 @@ pub fn target() -> Target {
         arch: "x86_64".to_string(),
         options: TargetOptions {
             max_atomic_width: Some(64),
-            stack_probes: StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) },
+            // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+            stack_probes: StackProbeType::Call,
             ..base
         },
     }

diff --git a/compiler/rustc_target/src/spec/x86_64_apple_tvos.rs b/compiler/rustc_target/src/spec/x86_64_apple_tvos.rs
@@ -10,7 +10,8 @@ pub fn target() -> Target {
         arch: "x86_64".to_string(),
         options: TargetOptions {
             max_atomic_width: Some(64),
-            stack_probes: StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) },
+            // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+            stack_probes: StackProbeType::Call,
             ..base
         },
     }

diff --git a/compiler/rustc_target/src/spec/x86_64_fuchsia.rs b/compiler/rustc_target/src/spec/x86_64_fuchsia.rs
@@ -4,7 +4,8 @@ pub fn target() -> Target {
     let mut base = super::fuchsia_base::opts();
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-fuchsia".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_linux_android.rs b/compiler/rustc_target/src/spec/x86_64_linux_android.rs
@@ -7,7 +7,8 @@ pub fn target() -> Target {
     base.features = "+mmx,+sse,+sse2,+sse3,+ssse3,+sse4.1,+sse4.2,+popcnt".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-linux-android".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_rumprun_netbsd.rs b/compiler/rustc_target/src/spec/x86_64_rumprun_netbsd.rs
@@ -12,7 +12,8 @@ pub fn target() -> Target {
     base.has_rpath = false;
     base.position_independent_executables = false;
     base.disable_redzone = true;
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-rumprun-netbsd".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_sun_solaris.rs b/compiler/rustc_target/src/spec/x86_64_sun_solaris.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-m64".to_string()]);
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-pc-solaris".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_dragonfly.rs b/compiler/rustc_target/src/spec/x86_64_unknown_dragonfly.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-unknown-dragonfly".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs b/compiler/rustc_target/src/spec/x86_64_unknown_freebsd.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-unknown-freebsd".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_haiku.rs b/compiler/rustc_target/src/spec/x86_64_unknown_haiku.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.insert(LinkerFlavor::Gcc, vec!["-m64".to_string()]);
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
     // This option is required to build executables on Haiku x86_64
     base.position_independent_executables = true;
 

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_hermit.rs b/compiler/rustc_target/src/spec/x86_64_unknown_hermit.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.features = "+rdrnd,+rdseed".to_string();
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-unknown-hermit".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_hermit_kernel.rs b/compiler/rustc_target/src/spec/x86_64_unknown_hermit_kernel.rs
@@ -7,7 +7,8 @@ pub fn target() -> Target {
     base.features =
         "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float"
             .to_string();
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-unknown-hermit".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnu.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-unknown-linux-gnu".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnux32.rs b/compiler/rustc_target/src/spec/x86_64_unknown_linux_gnux32.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-mx32".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
     base.has_elf_tls = false;
     // BUG(GabrielMajeri): disabling the PLT on x86_64 Linux with x32 ABI
     // breaks code gen. See LLVM bug 36743

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/x86_64_unknown_linux_musl.rs
@@ -5,7 +5,9 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
+
     base.static_position_independent_executables = true;
 
     Target {

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_netbsd.rs b/compiler/rustc_target/src/spec/x86_64_unknown_netbsd.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-unknown-netbsd".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_openbsd.rs b/compiler/rustc_target/src/spec/x86_64_unknown_openbsd.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-unknown-openbsd".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_redox.rs b/compiler/rustc_target/src/spec/x86_64_unknown_redox.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
 
     Target {
         llvm_target: "x86_64-unknown-redox".to_string(),

diff --git a/compiler/rustc_target/src/spec/x86_64_wrs_vxworks.rs b/compiler/rustc_target/src/spec/x86_64_wrs_vxworks.rs
@@ -5,7 +5,8 @@ pub fn target() -> Target {
     base.cpu = "x86-64".to_string();
     base.max_atomic_width = Some(64);
     base.pre_link_args.get_mut(&LinkerFlavor::Gcc).unwrap().push("-m64".to_string());
-    base.stack_probes = StackProbeType::InlineOrCall { min_llvm_version_for_inline: (11, 0, 1) };
+    // don't use probe-stack=inline-asm until rust-lang/rust#83139 is resolved.
+    base.stack_probes = StackProbeType::Call;
     base.disable_redzone = true;
 
     Target {

diff --git a/src/test/assembly/stack-probes.rs b/src/test/assembly/stack-probes.rs
diff --git a/src/test/codegen/stack-probes.rs b/src/test/codegen/stack-probes.rs
@@ -13,12 +13,10 @@
 // ignore-emscripten
 // ignore-windows
 // compile-flags: -C no-prepopulate-passes
-// min-llvm-version: 11.0.1
 
 #![crate_type = "lib"]
 
 #[no_mangle]
 pub fn foo() {
 // CHECK: @foo() unnamed_addr #0
-// CHECK: attributes #0 = { {{.*}}"probe-stack"="inline-asm"{{.*}} }
 }