diff options
Diffstat (limited to 'tests/codegen')
| -rw-r--r-- | tests/codegen/autovec/dont-shuffle-bswaps-opt2.rs | 31 | ||||
| -rw-r--r-- | tests/codegen/autovec/dont-shuffle-bswaps-opt3.rs (renamed from tests/codegen/dont-shuffle-bswaps.rs) | 30 | ||||
| -rw-r--r-- | tests/codegen/deduced-param-attrs.rs | 4 | ||||
| -rw-r--r-- | tests/codegen/retpoline.rs | 27 | ||||
| -rw-r--r-- | tests/codegen/virtual-function-elimination.rs | 2 |
5 files changed, 74 insertions, 20 deletions
diff --git a/tests/codegen/autovec/dont-shuffle-bswaps-opt2.rs b/tests/codegen/autovec/dont-shuffle-bswaps-opt2.rs new file mode 100644 index 00000000000..c354228acc5 --- /dev/null +++ b/tests/codegen/autovec/dont-shuffle-bswaps-opt2.rs @@ -0,0 +1,31 @@ +//@ compile-flags: -Copt-level=2 + +#![crate_type = "lib"] +#![no_std] + +// This test is paired with the arch-specific -opt3.rs test. + +// The code is from https://github.com/rust-lang/rust/issues/122805. +// Ensure we do not generate the shufflevector instruction +// to avoid complicating the code. + +// CHECK-LABEL: define{{.*}}void @convert( +// CHECK-NOT: shufflevector +#[no_mangle] +pub fn convert(value: [u16; 8]) -> [u8; 16] { + #[cfg(target_endian = "little")] + let bswap = u16::to_be; + #[cfg(target_endian = "big")] + let bswap = u16::to_le; + let addr16 = [ + bswap(value[0]), + bswap(value[1]), + bswap(value[2]), + bswap(value[3]), + bswap(value[4]), + bswap(value[5]), + bswap(value[6]), + bswap(value[7]), + ]; + unsafe { core::mem::transmute::<_, [u8; 16]>(addr16) } +} diff --git a/tests/codegen/dont-shuffle-bswaps.rs b/tests/codegen/autovec/dont-shuffle-bswaps-opt3.rs index c1dab2bc295..203d12005de 100644 --- a/tests/codegen/dont-shuffle-bswaps.rs +++ b/tests/codegen/autovec/dont-shuffle-bswaps-opt3.rs @@ -1,29 +1,27 @@ -//@ revisions: OPT2 OPT3 OPT3_S390X -//@[OPT2] compile-flags: -Copt-level=2 -//@[OPT3] compile-flags: -C opt-level=3 -// some targets don't do the opt we are looking for -//@[OPT3] only-64bit -//@[OPT3] ignore-s390x -//@[OPT3_S390X] compile-flags: -C opt-level=3 -C target-cpu=z13 -//@[OPT3_S390X] only-s390x +//@ revisions: AARCH64 X86_64 Z13 +//@ compile-flags: -Copt-level=3 +//@[AARCH64] only-aarch64 +//@[X86_64] only-x86_64 +//@[Z13] only-s390x +//@[Z13] compile-flags: -Ctarget-cpu=z13 #![crate_type = "lib"] #![no_std] +// This test is paired with the arch-neutral -opt2.rs test + // The code is from https://github.com/rust-lang/rust/issues/122805. // Ensure we do not generate the shufflevector instruction // to avoid complicating the code. + // CHECK-LABEL: define{{.*}}void @convert( // CHECK-NOT: shufflevector + // On higher opt levels, this should just be a bswap: -// OPT3: load <8 x i16> -// OPT3-NEXT: call <8 x i16> @llvm.bswap -// OPT3-NEXT: store <8 x i16> -// OPT3-NEXT: ret void -// OPT3_S390X: load <8 x i16> -// OPT3_S390X-NEXT: call <8 x i16> @llvm.bswap -// OPT3_S390X-NEXT: store <8 x i16> -// OPT3_S390X-NEXT: ret void +// CHECK: load <8 x i16> +// CHECK-NEXT: call <8 x i16> @llvm.bswap +// CHECK-NEXT: store <8 x i16> +// CHECK-NEXT: ret void #[no_mangle] pub fn convert(value: [u16; 8]) -> [u8; 16] { #[cfg(target_endian = "little")] diff --git a/tests/codegen/deduced-param-attrs.rs b/tests/codegen/deduced-param-attrs.rs index 22db090d4d8..34504c80fad 100644 --- a/tests/codegen/deduced-param-attrs.rs +++ b/tests/codegen/deduced-param-attrs.rs @@ -1,8 +1,8 @@ //@ compile-flags: -Copt-level=3 #![crate_type = "lib"] -#![allow(incomplete_features)] -#![feature(unsized_locals, unsized_fn_params)] +#![allow(internal_features)] +#![feature(unsized_fn_params)] use std::cell::Cell; use std::hint; diff --git a/tests/codegen/retpoline.rs b/tests/codegen/retpoline.rs new file mode 100644 index 00000000000..915c2c3d797 --- /dev/null +++ b/tests/codegen/retpoline.rs @@ -0,0 +1,27 @@ +// ignore-tidy-linelength +// Test that the +// `retpoline-external-thunk`, `retpoline-indirect-branches`, `retpoline-indirect-calls` +// target features are (not) emitted when the `retpoline/retpoline-external-thunk` flag is (not) set. + +//@ add-core-stubs +//@ revisions: disabled enabled_retpoline enabled_retpoline_external_thunk +//@ needs-llvm-components: x86 +//@ compile-flags: --target x86_64-unknown-linux-gnu +//@ [enabled_retpoline] compile-flags: -Zretpoline +//@ [enabled_retpoline_external_thunk] compile-flags: -Zretpoline-external-thunk +#![crate_type = "lib"] +#![feature(no_core)] +#![no_core] +extern crate minicore; + +#[no_mangle] +pub fn foo() { + // CHECK: @foo() unnamed_addr #0 + + // disabled-NOT: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+retpoline-external-thunk{{.*}} } + // disabled-NOT: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+retpoline-indirect-branches{{.*}} } + // disabled-NOT: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+retpoline-indirect-calls{{.*}} } + + // enabled_retpoline: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+retpoline-indirect-branches,+retpoline-indirect-calls{{.*}} } + // enabled_retpoline_external_thunk: attributes #0 = { {{.*}}"target-features"="{{[^"]*}}+retpoline-external-thunk,+retpoline-indirect-branches,+retpoline-indirect-calls{{.*}} } +} diff --git a/tests/codegen/virtual-function-elimination.rs b/tests/codegen/virtual-function-elimination.rs index d2d0c4b78ab..26604478c11 100644 --- a/tests/codegen/virtual-function-elimination.rs +++ b/tests/codegen/virtual-function-elimination.rs @@ -6,8 +6,6 @@ // CHECK: @vtable.2 = {{.*}}, !type ![[TYPE2:[0-9]+]], !vcall_visibility ![[VCALL_VIS2:[0-9]+]] #![crate_type = "lib"] -#![allow(incomplete_features)] -#![feature(unsized_locals)] use std::rc::Rc; 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