forked from OSchip/llvm-project
26 lines
742 B
LLVM
26 lines
742 B
LLVM
|
; RUN: llc %s -o - -verify-machineinstrs -fast-isel=true | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32"
|
||
|
|
target triple = "thumbv7-apple-ios8.0.0"
|
||
|
|
|
||
|
|
; When materializing the '2' for the shifts below, the second shift kills the vreg
|
||
|
|
; we materialize in to. However, the first shift was also killing that vreg.
|
||
|
|
; This fails the machine verifier because the second use then thinks its reading an
|
||
|
|
; undefined register.
|
||
|
|
|
||
|
|
; CHECK: lsr.w
|
||
|
|
; CHECK: lsr.w
|
||
|
|
|
||
|
|
declare void @foo(i32, i32)
|
||
|
|
|
||
|
|
; Function Attrs: minsize
|
||
|
|
define i32 @test(i32 %tmp3, i32 %tmp9) #0 {
|
||
|
|
bb:
|
||
|
|
%tmp4 = lshr i32 %tmp3, 2
|
||
|
|
%tmp10 = lshr i32 %tmp9, 2
|
||
|
|
call void @foo(i32 %tmp10, i32 %tmp4)
|
||
|
|
unreachable
|
||
|
|
}
|
||
|
|
|
||
|
|
attributes #0 = { minsize }
|