File: uint-to-ppcfp128-crash.ll

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (21 lines) | stat: -rw-r--r-- 741 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; 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) {
; CHECK-LABEL: test:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    lhz 3, 0(3)
; CHECK-NEXT:    xxlxor 2, 2, 2
; CHECK-NEXT:    stw 3, -4(1)
; CHECK-NEXT:    addi 3, 1, -4
; CHECK-NEXT:    lfiwzx 0, 0, 3
; CHECK-NEXT:    xscvuxddp 1, 0
; CHECK-NEXT:    blr
entry:
  %0 = load i16, i16* %Ptr, align 2
  %conv = uitofp i16 %0 to ppc_fp128
  ret ppc_fp128 %conv
}