mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-16 08:27:21 +00:00
394d6298bc
encounters (and:i64 (shl:i64 (load:i64), 1), 0xffffffff). This fixes rdar://8606584. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118143 91177308-0d34-0410-b5e6-96231b3b80d8
33 lines
1.0 KiB
LLVM
Executable File
33 lines
1.0 KiB
LLVM
Executable File
; RUN: llc -march=x86-64 < %s
|
|
|
|
; DAGCombiner should fold this code in finite time.
|
|
|
|
; rdar://8606584
|
|
|
|
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"
|
|
target triple = "x86_64-pc-linux-gnu"
|
|
|
|
define void @D() nounwind readnone {
|
|
bb.nph:
|
|
br label %while.cond
|
|
|
|
while.cond: ; preds = %while.cond, %bb.nph
|
|
%tmp6 = load i32* undef, align 4
|
|
%and = or i64 undef, undef
|
|
%conv11 = zext i32 undef to i64
|
|
%conv14 = zext i32 %tmp6 to i64
|
|
%shl15 = shl i64 %conv14, 1
|
|
%shl15.masked = and i64 %shl15, 4294967294
|
|
%and17 = or i64 %shl15.masked, %conv11
|
|
%add = add i64 %and17, 1
|
|
%xor = xor i64 %add, %and
|
|
%tmp20 = load i64* undef, align 8
|
|
%add21 = add i64 %xor, %tmp20
|
|
%conv22 = trunc i64 %add21 to i32
|
|
store i32 %conv22, i32* undef, align 4
|
|
br i1 false, label %while.end, label %while.cond
|
|
|
|
while.end: ; preds = %while.cond
|
|
ret void
|
|
}
|