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The embedded bitcode should always be prepared for LTO/ThinLTO

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DianQK 2024-11-17 14:21:23 +08:00
parent 1805b33483
commit 1a99ca8da9
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13 changed files with 265 additions and 69 deletions
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4
tests/codegen/overaligned-constant.rs
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@ -9,14 +9,14 @@ struct S(i32);
struct SmallStruct(f32, Option<S>, &'static [f32]);
// CHECK: @0 = private unnamed_addr constant
// CHECK: [[const:@.*]] = private unnamed_addr constant
// CHECK-SAME: , align 8
#[no_mangle]
pub fn overaligned_constant() {
// CHECK-LABEL: @overaligned_constant
// CHECK: [[full:%_.*]] = alloca [32 x i8], align 8
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[full]], ptr align 8 @0, i64 32, i1 false)
// CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[full]], ptr align 8 [[const]], i64 32, i1 false)
let mut s = S(1);
s.0 = 3;

8
tests/codegen/uninit-consts.rs
View file

@ -11,15 +11,15 @@ pub struct PartiallyUninit {
y: MaybeUninit<[u8; 10]>,
}
// CHECK: [[FULLY_UNINIT:@[0-9]+]] = private unnamed_addr constant <{ [10 x i8] }> undef
// CHECK: [[FULLY_UNINIT:@.*]] = private unnamed_addr constant <{ [10 x i8] }> undef
// CHECK: [[PARTIALLY_UNINIT:@[0-9]+]] = private unnamed_addr constant <{ [4 x i8], [12 x i8] }> <{ [4 x i8] c"{{\\EF\\BE\\AD\\DE|\\DE\\AD\\BE\\EF}}", [12 x i8] undef }>, align 4
// CHECK: [[PARTIALLY_UNINIT:@.*]] = private unnamed_addr constant <{ [4 x i8], [12 x i8] }> <{ [4 x i8] c"{{\\EF\\BE\\AD\\DE|\\DE\\AD\\BE\\EF}}", [12 x i8] undef }>, align 4
// This shouldn't contain undef, since it contains more chunks
// than the default value of uninit_const_chunk_threshold.
// CHECK: [[UNINIT_PADDING_HUGE:@[0-9]+]] = private unnamed_addr constant <{ [32768 x i8] }> <{ [32768 x i8] c"{{.+}}" }>, align 4
// CHECK: [[UNINIT_PADDING_HUGE:@.*]] = private unnamed_addr constant <{ [32768 x i8] }> <{ [32768 x i8] c"{{.+}}" }>, align 4
// CHECK: [[FULLY_UNINIT_HUGE:@[0-9]+]] = private unnamed_addr constant <{ [16384 x i8] }> undef
// CHECK: [[FULLY_UNINIT_HUGE:@.*]] = private unnamed_addr constant <{ [16384 x i8] }> undef
// CHECK-LABEL: @fully_uninit
#[no_mangle]