1 ; RUN: opt < %s -indvars -S | FileCheck %s 2 3 target triple = "x86_64-apple-darwin" 4 5 ; CHECK-LABEL: @sloop 6 ; CHECK-LABEL: B18: 7 ; Only one phi now. 8 ; CHECK: phi 9 ; CHECK-NOT: phi 10 ; One trunc for the gep. 11 ; CHECK: trunc i64 %indvars.iv to i32 12 ; One trunc for the dummy() call. 13 ; CHECK-LABEL: exit24: 14 ; CHECK: trunc i64 {{.*}}lcssa.wide to i32 15 define void @sloop(i32* %a) { 16 Prologue: 17 br i1 undef, label %B18, label %B6 18 19 B18: ; preds = %B24, %Prologue 20 %.02 = phi i32 [ 0, %Prologue ], [ %tmp33, %B24 ] 21 %tmp23 = zext i32 %.02 to i64 22 %tmp33 = add i32 %.02, 1 23 %o = getelementptr i32* %a, i32 %.02 24 %v = load i32* %o 25 %t = icmp eq i32 %v, 0 26 br i1 %t, label %exit24, label %B24 27 28 B24: ; preds = %B18 29 %t2 = icmp eq i32 %tmp33, 20 30 br i1 %t2, label %B6, label %B18 31 32 B6: ; preds = %Prologue 33 ret void 34 35 exit24: ; preds = %B18 36 call void @dummy(i32 %.02) 37 unreachable 38 } 39 40 declare void @dummy(i32) 41
