http://llvm.org/bugs/show_bug.cgi?id=4908
Summary: infinite loop in instcombine
Product: libraries
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Scalar Optimizations
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Instcombine loops on:
--
; ModuleID = '<stdin>'
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"
target triple = "x86_64-apple-darwin10.0"
define void @short2_int_swap(<1 x i16>* nocapture %b, i32* nocapture %c)
nounwind ssp {
entry:
%arrayidx = getelementptr inbounds <1 x i16>* %b, i64 undef ; <<1 x i16>*>
[#uses=1]
%tmp2 = load <1 x i16>* %arrayidx ; <<1 x i16>> [#uses=1]
%tmp6 = bitcast <1 x i16> %tmp2 to i16 ; <i16> [#uses=1]
%tmp7 = zext i16 %tmp6 to i32 ; <i32> [#uses=1]
%ins = or i32 0, %tmp7 ; <i32> [#uses=1]
%arrayidx20 = getelementptr inbounds i32* %c, i64 undef ; <i32*> [#uses=1]
store i32 %ins, i32* %arrayidx20
ret void
}
--
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