http://llvm.org/bugs/show_bug.cgi?id=17049
Bug ID: 17049
Summary: Cannot select: 0x7f8f1a887a10: f32 = fp16_to_fp32
Product: new-bugs
Version: trunk
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: new bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 11126
--> http://llvm.org/bugs/attachment.cgi?id=11126&action=edit
requested file
I am using clang version 3.3 (branches/release_33 186944).
This source code:
{{{
float f(const __fp16* p)
{
return *p;
}
}}}
leads to the following error message:
{{{
$ clang -S fp16.c
fatal error: error in backend: Cannot select: 0x7f9bb1087a10: f32 =
fp16_to_fp32
0x7f9bb1087910 [ORD=1] [ID=4]
0x7f9bb1087910: i16,ch = CopyFromReg 0x7f9bb0c200b8, 0x7f9bb1087810 [ORD=1]
[ID=3]
0x7f9bb1087810: i16 = Register %vreg3 [ORD=1] [ID=1]
In function: f
clang: error: clang frontend command failed with exit code 70 (use -v to see
invocation)
clang version 3.3 (branches/release_33 186944)
Target: x86_64-apple-darwin12.4.0
Thread model: posix
clang: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang: note: diagnostic msg:
********************
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg:
/var/folders/gl/zvl8d6415vsbkd50nnll95k40000gs/T/fp16-6j9VtH.c
clang: note: diagnostic msg:
/var/folders/gl/zvl8d6415vsbkd50nnll95k40000gs/T/fp16-6j9VtH.sh
clang: note: diagnostic msg:
********************
}}}
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