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Update CoverageMappingFormat Support to Version6

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Version 5 adds Branch Regions which are a prerequisite for branch coverage.
Version 6 can use the zeroth filename as prefix for other relative files.
This commit is contained in:
Arpad Borsos 2021-10-19 11:09:43 +02:00 • committed by Rich Kadel
parent 7b3cd075bb
commit 566ad8da45
6 changed files with 66 additions and 23 deletions
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8
compiler/rustc_codegen_ssa/src/coverageinfo/ffi.rs
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@ -1,6 +1,6 @@
use rustc_middle::mir::coverage::{CounterValueReference, MappedExpressionIndex};
/// Aligns with [llvm::coverage::Counter::CounterKind](https://github.com/rust-lang/llvm-project/blob/rustc/11.0-2020-10-12/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L206-L222)
/// Aligns with [llvm::coverage::Counter::CounterKind](https://github.com/rust-lang/llvm-project/blob/rustc/13.0-2021-09-30/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L95)
#[derive(Copy, Clone, Debug)]
#[repr(C)]
pub enum CounterKind {
@ -17,7 +17,7 @@ pub enum CounterKind {
/// `instrprof.increment()`)
/// * For `CounterKind::Expression`, `id` is the index into the coverage map's array of
/// counter expressions.
/// Aligns with [llvm::coverage::Counter](https://github.com/rust-lang/llvm-project/blob/rustc/11.0-2020-10-12/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L99-L100)
/// Aligns with [llvm::coverage::Counter](https://github.com/rust-lang/llvm-project/blob/rustc/13.0-2021-09-30/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L102-L103)
/// Important: The Rust struct layout (order and types of fields) must match its C++ counterpart.
#[derive(Copy, Clone, Debug)]
#[repr(C)]
@ -59,7 +59,7 @@ impl Counter {
}
}
/// Aligns with [llvm::coverage::CounterExpression::ExprKind](https://github.com/rust-lang/llvm-project/blob/rustc/11.0-2020-10-12/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L147)
/// Aligns with [llvm::coverage::CounterExpression::ExprKind](https://github.com/rust-lang/llvm-project/blob/rustc/13.0-2021-09-30/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L150)
#[derive(Copy, Clone, Debug)]
#[repr(C)]
pub enum ExprKind {
@ -67,7 +67,7 @@ pub enum ExprKind {
Add = 1,
}
/// Aligns with [llvm::coverage::CounterExpression](https://github.com/rust-lang/llvm-project/blob/rustc/11.0-2020-10-12/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L148-L149)
/// Aligns with [llvm::coverage::CounterExpression](https://github.com/rust-lang/llvm-project/blob/rustc/13.0-2021-09-30/llvm/include/llvm/ProfileData/Coverage/CoverageMapping.h#L151-L152)
/// Important: The Rust struct layout (order and types of fields) must match its C++
/// counterpart.
#[derive(Copy, Clone, Debug)]