mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-24 09:29:42 +00:00
Essentially the same as the GEP change in r230786. A similar migration script can be used to update test cases, though a few more test case improvements/changes were required this time around: (r229269-r229278) import fileinput import sys import re pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)") for line in sys.stdin: sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line)) Reviewers: rafael, dexonsmith, grosser Differential Revision: http://reviews.llvm.org/D7649 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
40 lines
1.8 KiB
LLVM
40 lines
1.8 KiB
LLVM
; RUN: opt < %s -instcombine -S | grep shufflevector
|
|
; PR2645
|
|
|
|
; instcombine shouldn't delete the shufflevector.
|
|
|
|
define internal void @""(i8*, i32, i8*) {
|
|
; <label>:3
|
|
br label %4
|
|
|
|
; <label>:4 ; preds = %6, %3
|
|
%.0 = phi i32 [ 0, %3 ], [ %19, %6 ] ; <i32> [#uses=4]
|
|
%5 = icmp slt i32 %.0, %1 ; <i1> [#uses=1]
|
|
br i1 %5, label %6, label %20
|
|
|
|
; <label>:6 ; preds = %4
|
|
%7 = getelementptr i8, i8* %2, i32 %.0 ; <i8*> [#uses=1]
|
|
%8 = bitcast i8* %7 to <4 x i16>* ; <<4 x i16>*> [#uses=1]
|
|
%9 = load <4 x i16>, <4 x i16>* %8, align 1 ; <<4 x i16>> [#uses=1]
|
|
%10 = bitcast <4 x i16> %9 to <1 x i64> ; <<1 x i64>> [#uses=1]
|
|
%11 = call <2 x i64> @foo(<1 x i64> %10)
|
|
; <<2 x i64>> [#uses=1]
|
|
%12 = bitcast <2 x i64> %11 to <4 x i32> ; <<4 x i32>> [#uses=1]
|
|
%13 = bitcast <4 x i32> %12 to <8 x i16> ; <<8 x i16>> [#uses=2]
|
|
%14 = shufflevector <8 x i16> %13, <8 x i16> %13, <8 x i32> < i32 0, i32 0, i32 1, i32 1, i32 2, i32 2, i32 3, i32 3 > ; <<8 x i16>> [#uses=1]
|
|
%15 = bitcast <8 x i16> %14 to <4 x i32> ; <<4 x i32>> [#uses=1]
|
|
%16 = sitofp <4 x i32> %15 to <4 x float> ; <<4 x float>> [#uses=1]
|
|
%17 = getelementptr i8, i8* %0, i32 %.0 ; <i8*> [#uses=1]
|
|
%18 = bitcast i8* %17 to <4 x float>* ; <<4 x float>*> [#uses=1]
|
|
store <4 x float> %16, <4 x float>* %18, align 1
|
|
%19 = add i32 %.0, 1 ; <i32> [#uses=1]
|
|
br label %4
|
|
|
|
; <label>:20 ; preds = %4
|
|
call void @llvm.x86.mmx.emms( )
|
|
ret void
|
|
}
|
|
|
|
declare <2 x i64> @foo(<1 x i64>)
|
|
declare void @llvm.x86.mmx.emms( )
|