1 ; RUN: llc %s -o - -verify-machineinstrs -fast-isel=true | FileCheck %s 2 3 target datalayout = "e-m:o-p:32:32-f64:32:64-v64:32:64-v128:32:128-a:0:32-n32-S32" 4 target 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 14 declare void @foo(i32, i32) 15 16 ; Function Attrs: minsize 17 define i32 @test(i32 %tmp3, i32 %tmp9) #0 { 18 bb: 19 %tmp4 = lshr i32 %tmp3, 2 20 %tmp10 = lshr i32 %tmp9, 2 21 call void @foo(i32 %tmp10, i32 %tmp4) 22 unreachable 23 } 24 25 attributes #0 = { minsize } 26
