https://llvm.org/bugs/show_bug.cgi?id=23173
Bug ID: 23173
Summary: PPC Back end crashes in 32-bit mode on conversions of
i64 to/from f32
Product: libraries
Version: trunk
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: PowerPC
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Reduced test case:
$ cat bug_conv_f32_to_i64.c
// Compile with clang -target=powerpc-unknown-unknown -c -mcpu=pwr7
unsigned long long testullf(float arg) { return arg; }
$ clang -target=powerpc-unknown-unknown -c -mcpu=pwr7 bug_conv_f32_to_i64.c
Do not know how to custom type legalize this operation!
UNREACHABLE executed at $LLVM_SRC/lib/Target/PowerPC/PPCISelLowering.cpp:7729!
Same thing happens when llc is run on the resulting ll/bc file.
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