https://llvm.org/bugs/show_bug.cgi?id=24701
Bug ID: 24701
Summary: strstr is cut in conditional blocks (with -O1 option)
Product: clang
Version: trunk
Hardware: Other
OS: Linux
Status: NEW
Severity: release blocker
Priority: P
Component: C++
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Created attachment 14839
--> https://llvm.org/bugs/attachment.cgi?id=14839&action=edit
sample which we need to compile
try to compile sample (in attachment) with follow options:
clang++ main.cpp -o main.bc -O1 -D__extern_always_inline=inline -S -emit-llvm
And file "main.bc" doesn't contain any condition and logic:
....
define i32 @main(i32 %argc, i8** nocapture readnone %argv) #0 {
ret i32 0
}
...
In attachment you could find:
sample main.cpp
result of preprocessing (-E compile option) main.i
llvm asm (-S -emit-llvm) main.bc
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