source: icGREP/icgrep-devel/llvm-3.8.0.src/test/CodeGen/ARM/fast-isel-shift-materialize.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: 742 bytes
Line 
1; RUN: llc %s -o - -verify-machineinstrs -fast-isel=true | FileCheck %s
2
3target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
4target triple = "thumbv7-apple-ios8.0.0"
5
6; When materializing the '2' for the shifts below, the second shift kills the vreg
7; we materialize in to.  However, the first shift was also killing that vreg.
8; This fails the machine verifier because the second use then thinks its reading an
9; undefined register.
10
11; CHECK: lsr.w
12; CHECK: lsr.w
13
14declare void @foo(i32, i32)
15
16; Function Attrs: minsize
17define i32 @test(i32 %tmp3, i32 %tmp9) #0 {
18bb:
19  %tmp4 = lshr i32 %tmp3, 2
20  %tmp10 = lshr i32 %tmp9, 2
21  call void @foo(i32 %tmp10, i32 %tmp4)
22  unreachable
23}
24
25attributes #0 = { minsize }
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