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llvm-mirror/test/CodeGen/PowerPC/uint-to-ppcfp128-crash.ll
Jinsong Ji c7cbe2ad6b [PowerPC] Support extended mnemonics mffprwz etc.
Summary:
Reported in https://github.com/opencv/opencv/issues/15413.

We have serveral extended mnemonics for Move To/From Vector-Scalar Register Instructions
eg: mffprd,mtfprd etc.

We only support one of them, this patch add the others.

Reviewers: nemanjai, steven.zhang, hfinkel, #powerpc

Reviewed By: hfinkel

Subscribers: wuzish, qcolombet, hiraditya, kbarton, MaskRay, shchenz, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D66963

llvm-svn: 370411
2019-08-29 21:53:59 +00:00

16 lines
540 B
LLVM

; RUN: llc -verify-machineinstrs -mcpu=pwr9 \
; RUN: -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
; Ensure we don't crash by trying to convert directly from a subword load
; to a ppc_fp128 as we do for conversions to f32/f64.
define ppc_fp128 @test(i16* nocapture readonly %Ptr) {
entry:
%0 = load i16, i16* %Ptr, align 2
%conv = uitofp i16 %0 to ppc_fp128
ret ppc_fp128 %conv
; CHECK: lhz [[LD:[0-9]+]], 0(3)
; CHECK: mtfprwa [[MV:[0-9]+]], [[LD]]
; CHECK: xscvsxddp [[CONV:[0-9]+]], [[MV]]
; CHECK: bl __gcc_qadd
}