From 4a16efa3e43e35f0cc9efe3a67f620f0017c3d36 Mon Sep 17 00:00:00 2001 From: Dimitry Andric Date: Mon, 8 Apr 2013 18:41:23 +0000 Subject: Vendor import of llvm trunk r178860: http://llvm.org/svn/llvm-project/llvm/trunk@178860 --- test/Transforms/LoopVectorize/no_int_induction.ll | 33 +++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 test/Transforms/LoopVectorize/no_int_induction.ll (limited to 'test/Transforms/LoopVectorize/no_int_induction.ll') diff --git a/test/Transforms/LoopVectorize/no_int_induction.ll b/test/Transforms/LoopVectorize/no_int_induction.ll new file mode 100644 index 000000000000..45aa8c7cd9be --- /dev/null +++ b/test/Transforms/LoopVectorize/no_int_induction.ll @@ -0,0 +1,33 @@ +; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s + +; int __attribute__((noinline)) sum_array(int *A, int n) { +; return std::accumulate(A, A + n, 0); +; } + +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: @sum_array +;CHECK: phi <4 x i32> +;CHECK: load <4 x i32> +;CHECK: add nsw <4 x i32> +;CHECK: ret i32 +define i32 @sum_array(i32* %A, i32 %n) nounwind uwtable readonly noinline ssp { + %1 = sext i32 %n to i64 + %2 = getelementptr inbounds i32* %A, i64 %1 + %3 = icmp eq i32 %n, 0 + br i1 %3, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i + +.lr.ph.i: ; preds = %0, %.lr.ph.i + %.03.i = phi i32* [ %6, %.lr.ph.i ], [ %A, %0 ] + %.012.i = phi i32 [ %5, %.lr.ph.i ], [ 0, %0 ] + %4 = load i32* %.03.i, align 4 + %5 = add nsw i32 %4, %.012.i + %6 = getelementptr inbounds i32* %.03.i, i64 1 + %7 = icmp eq i32* %6, %2 + br i1 %7, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i + +_ZSt10accumulateIPiiET0_T_S2_S1_.exit: ; preds = %.lr.ph.i, %0 + %.01.lcssa.i = phi i32 [ 0, %0 ], [ %5, %.lr.ph.i ] + ret i32 %.01.lcssa.i +} -- cgit v1.3