File: aarch64-vcvtfp2fxs-combine.ll

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 995,808 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (24 lines) | stat: -rw-r--r-- 853 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
; RUN: llc < %s -mtriple=aarch64-linux-eabi -o - | FileCheck %s

%struct.a= type { i64, i64, i64, i64 }

; DAG combine will try to perform a transformation that  creates a vcvtfp2fxs
; with a v4f64 input. Since v4i64 is not legal we should bail out. We can
; pottentially still create the vcvtfp2fxs node after legalization (but on a
; v2f64).

; CHECK-LABEL: fun1
define void @fun1() local_unnamed_addr {
entry:
  %mul = fmul <4 x double> zeroinitializer, <double 6.553600e+04, double 6.553600e+04, double 6.553600e+04, double 6.553600e+04>
  %toi = fptosi <4 x double> %mul to <4 x i64>
  %ptr = getelementptr inbounds %struct.a, %struct.a* undef, i64 0, i32 2
  %elem = extractelement <4 x i64> %toi, i32 1
  store i64 %elem, i64* %ptr, align 8
  call void @llvm.trap()
  unreachable
}

; Function Attrs: noreturn nounwind
declare void @llvm.trap()