2012-10-31 01:45:26 +01:00
|
|
|
; RUN: opt < %s -loop-vectorize -force-vector-width=4 -instcombine -S | FileCheck %s
|
|
|
|
|
|
|
|
|
|
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"
|
|
|
|
|
target triple = "x86_64-apple-macosx10.8.0"
|
|
|
|
|
|
|
|
|
|
;CHECK: @start_at_nonzero
|
2012-10-31 22:40:39 +01:00
|
|
|
;CHECK: mul nuw <4 x i32>
|
2012-10-31 01:45:26 +01:00
|
|
|
;CHECK: ret i32
|
|
|
|
|
define i32 @start_at_nonzero(i32* nocapture %a, i32 %start, i32 %end) nounwind uwtable ssp {
|
|
|
|
|
entry:
|
|
|
|
|
%cmp3 = icmp slt i32 %start, %end
|
|
|
|
|
br i1 %cmp3, label %for.body.lr.ph, label %for.end
|
|
|
|
|
|
|
|
|
|
for.body.lr.ph: ; preds = %entry
|
|
|
|
|
%0 = sext i32 %start to i64
|
|
|
|
|
br label %for.body
|
|
|
|
|
|
|
|
|
|
for.body: ; preds = %for.body.lr.ph, %for.body
|
|
|
|
|
%indvars.iv = phi i64 [ %0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
|
|
|
|
|
%arrayidx = getelementptr inbounds i32* %a, i64 %indvars.iv
|
|
|
|
|
%1 = load i32* %arrayidx, align 4, !tbaa !0
|
2012-10-31 22:40:39 +01:00
|
|
|
%mul = mul nuw i32 %1, 333
|
2012-10-31 01:45:26 +01:00
|
|
|
store i32 %mul, i32* %arrayidx, align 4, !tbaa !0
|
|
|
|
|
%indvars.iv.next = add i64 %indvars.iv, 1
|
|
|
|
|
%2 = trunc i64 %indvars.iv.next to i32
|
|
|
|
|
%cmp = icmp slt i32 %2, %end
|
|
|
|
|
br i1 %cmp, label %for.body, label %for.end
|
|
|
|
|
|
|
|
|
|
for.end: ; preds = %for.body, %entry
|
|
|
|
|
ret i32 4
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
!0 = metadata !{metadata !"int", metadata !1}
|
|
|
|
|
!1 = metadata !{metadata !"omnipotent char", metadata !2}
|
|
|
|
|
!2 = metadata !{metadata !"Simple C/C++ TBAA"}
|
