source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/isel-v8i32-crash.ll @ 5027

Last change on this file since 5027 was 5027, checked in by cameron, 3 years ago

Upgrade to llvm 3.8

File size: 1.2 KB
Line 
1; RUN: llc < %s -mtriple=armv7-linux-gnu | FileCheck %s
2
3; Check we don't crash when trying to combine:
4;   (d1 = <float 8.000000e+00, float 8.000000e+00, ...>) (power of 2)
5;   vmul.f32        d0, d1, d0
6;   vcvt.s32.f32    d0, d0
7; into:
8;   vcvt.s32.f32    d0, d0, #3
9; when we have a vector length of 8, due to use of v8i32 types.
10
11target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
12
13; CHECK: func:
14; CHECK: vcvt.s32.f32  q[[R:[0-9]]], q[[R]], #3
15define void @func(i16* nocapture %pb, float* nocapture readonly %pf) #0 {
16entry:
17  %0 = bitcast float* %pf to <8 x float>*
18  %1 = load <8 x float>, <8 x float>* %0, align 4
19  %2 = fmul <8 x float> %1, <float 8.000000e+00, float 8.000000e+00, float 8.000000e+00, float 8.000000e+00, float 8.000000e+00, float 8.000000e+00, float 8.000000e+00, float 8.000000e+00>
20  %3 = fptosi <8 x float> %2 to <8 x i16>
21  %4 = bitcast i16* %pb to <8 x i16>*
22  store <8 x i16> %3, <8 x i16>* %4, align 2
23  ret void
24}
25
26attributes #0 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
Note: See TracBrowser for help on using the repository browser.