http://llvm.org/bugs/show_bug.cgi?id=12540
Bug #: 12540
Summary: ARM backend fails with: Cannot select: v2f32 =
fp_round
Product: new-bugs
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 8380
--> http://llvm.org/bugs/attachment.cgi?id=8380
reduced bug bytecode
While testing Polly autovect with the ARM backend,
I got this error compiling mesa from SPEC cpu2000:
$ llc 6669-mesa.ll
LLVM ERROR: Cannot select: 0x1da4790: v2f32 = fp_round 0x1da4490, 0x1da4890
[ID=4]
0x1da4490: v2f64 = undef [ID=3]
0x1da4890: i32 = TargetConstant<0> [ORD=1] [ID=1]
I originally submitted this as bug 12280 against Polly,
and I agree with Tobi that this is unrelated to Polly.
So here is the new bug for the ARM backend, with a reduced testcase,
using only llc, and independent of Polly.
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