http://llvm.org/bugs/show_bug.cgi?id=16842
Bug ID: 16842
Summary: cannot select v2f64 = fround
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: X86
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
This .ll file causes llc to crash:
target datalayout =
"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare void @use(<2 x double>)
; Function Attrs: nounwind uwtable
define void @test() {
entry:
%tmp = call <2 x double> @llvm.round.v2f64(<2 x double> undef)
call void @use(<2 x double> %tmp)
ret void
}
; Function Attrs: nounwind readonly
declare <2 x double> @llvm.round.v2f64(<2 x double>) #0
attributes #0 = { nounwind readonly }
with:
nlewycky@ducttape:~$ llvm/Debug+Asserts/bin/llc b.ll
LLVM ERROR: Cannot select: 0x388e050: v2f64 = fround 0x388df50 [ORD=1] [ID=7]
0x388df50: v2f64 = undef [ID=1]
In function: test
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