1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2 ; RUN: opt < %s -slp-vectorizer -S -mtriple=i386--netbsd -mcpu=i486 | FileCheck %s
3 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
4 target triple = "i386--netbsd"
6 @a = common global i32* null, align 4
8 ; Function Attrs: noreturn nounwind readonly
12 ; CHECK-NEXT: [[TMP0:%.*]] = load i32*, i32** @a, align 4, !tbaa !0
13 ; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[TMP0]], align 4, !tbaa !4
14 ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i32 1
15 ; CHECK-NEXT: [[TMP2:%.*]] = load i32, i32* [[ARRAYIDX1]], align 4, !tbaa !4
16 ; CHECK-NEXT: br label [[DO_BODY:%.*]]
18 ; CHECK-NEXT: [[C_0:%.*]] = phi i32 [ [[TMP2]], [[ENTRY:%.*]] ], [ [[ADD2:%.*]], [[DO_BODY]] ]
19 ; CHECK-NEXT: [[B_0:%.*]] = phi i32 [ [[TMP1]], [[ENTRY]] ], [ [[ADD:%.*]], [[DO_BODY]] ]
20 ; CHECK-NEXT: [[ADD]] = add nsw i32 [[B_0]], [[C_0]]
21 ; CHECK-NEXT: [[ADD2]] = add nsw i32 [[ADD]], 1
22 ; CHECK-NEXT: br label [[DO_BODY]]
25 %0 = load i32*, i32** @a, align 4, !tbaa !4
26 %1 = load i32, i32* %0, align 4, !tbaa !5
27 %arrayidx1 = getelementptr inbounds i32, i32* %0, i32 1
28 %2 = load i32, i32* %arrayidx1, align 4, !tbaa !5
31 do.body: ; preds = %do.body, %entry
32 %c.0 = phi i32 [ %2, %entry ], [ %add2, %do.body ]
33 %b.0 = phi i32 [ %1, %entry ], [ %add, %do.body ]
34 %add = add nsw i32 %b.0, %c.0
35 %add2 = add nsw i32 %add, 1
39 attributes #0 = { noreturn nounwind readonly "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
41 !0 = !{!"any pointer", !1}
42 !1 = !{!"omnipotent char", !2}
43 !2 = !{!"Simple C/C++ TBAA"}