mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-27 13:30:05 +00:00
20 lines
819 B
LLVM
20 lines
819 B
LLVM
|
; This testcase causes an infinite loop in the instruction combiner,
|
||
|
|
; because it changes a pattern and the original pattern is almost
|
||
|
|
; identical to the newly-generated pattern.
|
||
|
|
; RUN: opt < %s -instcombine -disable-output
|
||
|
|
|
||
|
|
;PR PR9216
|
||
|
|
|
||
|
|
target triple = "x86_64-unknown-linux-gnu"
|
||
|
|
|
||
|
|
define <4 x float> @m_387(i8* noalias nocapture %A, i8* nocapture %B, <4 x i1> %C) nounwind {
|
||
|
|
entry:
|
||
|
|
%movcsext20 = sext <4 x i1> %C to <4 x i32>
|
||
|
|
%tmp2389 = xor <4 x i32> %movcsext20, <i32 -1, i32 -1, i32 -1, i32 -1>
|
||
|
|
%movcand25 = and <4 x i32> %tmp2389, <i32 undef, i32 undef, i32 undef, i32 -1>
|
||
|
|
%movcor26 = or <4 x i32> %movcand25, zeroinitializer
|
||
|
|
%L2 = bitcast <4 x i32> %movcor26 to <4 x float>
|
||
|
|
%L3 = shufflevector <4 x float> zeroinitializer, <4 x float> %L2, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
|
||
|
|
ret <4 x float> %L3
|
||
|
|
}
|