http://llvm.org/bugs/show_bug.cgi?id=19548
Bug ID: 19548
Summary: [ARM64] Assertion `hiBitsSet <= numBits && "Too many
bits to set!"' failed.
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Backend: AArch64
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Classification: Unclassified
I see an assertion failure with the following test case:
; ModuleID = 'bugpoint-reduced-simplified.bc'
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
target triple = "arm64-none-linux-gnu"
; Function Attrs: nounwind
define void @core_list_init() #0 {
entry:
br label %for.body
for.body: ; preds =
%core_list_insert_new.exit89, %entry
%i.0113 = phi i32 [ 0, %entry ], [ %inc, %core_list_insert_new.exit89 ]
%conv10 = xor i32 %i.0113, 0
%and = shl i32 %conv10, 3
%shl = and i32 %and, 120
%and13 = and i32 %i.0113, 7
%or = or i32 %shl, %and13
%shl16 = shl nuw nsw i32 %or, 8
%or18 = or i32 %shl16, %or
%conv19 = trunc i32 %or18 to i16
br i1 undef, label %if.end.i78, label %core_list_insert_new.exit89
if.end.i78: ; preds = %for.body
br i1 undef, label %if.end4.i87, label %core_list_insert_new.exit89
if.end4.i87: ; preds = %if.end.i78
store i16 %conv19, i16* undef, align 2, !tbaa !1
br label %core_list_insert_new.exit89
core_list_insert_new.exit89: ; preds = %if.end4.i87,
%if.end.i78, %for.body
%inc = add i32 %i.0113, 1
br label %for.body
}
attributes #0 = { nounwind "less-precise-fpmad"="false"
"no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"
"no-infs-fp-math"="false" "no-nans-fp-math"="false"
"stack-protector-buffer-size"="8" "unsafe-fp-math"="false"
"use-soft-float"="false" }
!llvm.ident = !{!0}
!0 = metadata !{metadata !"clang version 3.5.0 "}
!1 = metadata !{metadata !2, metadata !3, i64 0}
!2 = metadata !{metadata !"list_data_s", metadata !3, i64 0, metadata !3, i64
2}
!3 = metadata !{metadata !"short", metadata !4, i64 0}
!4 = metadata !{metadata !"omnipotent char", metadata !5, i64 0}
!5 = metadata !{metadata !"Simple C/C++ TBAA"}
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