1 ; RUN: opt -scalarizer -S < %s | FileCheck %s 2 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 3 4 5 ; Check that vector element 1 is scalarized correctly from a chain of 6 ; insertelement instructions 7 define void @func(i32 %x) { 8 ; CHECK-LABEL: @func( 9 ; CHECK-NOT: phi i32 [ %x, %entry ], [ %inc.pos.y, %loop ] 10 ; CHECK: phi i32 [ %inc, %entry ], [ %inc.pos.y, %loop ] 11 ; CHECK: ret void 12 entry: 13 %vecinit = insertelement <2 x i32> <i32 0, i32 0>, i32 %x, i32 1 14 %inc = add i32 %x, 1 15 %0 = insertelement <2 x i32> %vecinit, i32 %inc, i32 1 16 br label %loop 17 18 loop: 19 %pos = phi <2 x i32> [ %0, %entry ], [ %new.pos.y, %loop ] 20 %i = phi i32 [ 0, %entry ], [ %new.i, %loop ] 21 %pos.y = extractelement <2 x i32> %pos, i32 1 22 %inc.pos.y = add i32 %pos.y, 1 23 %new.pos.y = insertelement <2 x i32> %pos, i32 %inc.pos.y, i32 1 24 %new.i = add i32 %i, 1 25 %cmp2 = icmp slt i32 %new.i, 1 26 br i1 %cmp2, label %loop, label %exit 27 28 exit: 29 ret void 30 } 31
