https://llvm.org/bugs/show_bug.cgi?id=23737
Bug ID: 23737
Summary: SROA replaces atomic volatile load with volatile load
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Scalar Optimizations
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
consider:
target triple = "x86_64-pc-linux"
define void @f(i64** %x) {
entry:
%ptr = alloca i64, align 8
store i64 0, i64* %ptr, align 8
%load = load atomic volatile i64, i64* %ptr seq_cst, align 8
ret void
}
running -sroa results in:
target triple = "x86_64-pc-linux"
define void @f(i64** %x) {
entry:
%ptr = alloca i64, align 8
store i64 0, i64* %ptr, align 8
%ptr.0.load = load volatile i64, i64* %ptr, align 8
ret void
}
This doesn't seem correct.
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