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| author | Tom Stellard <thomas.stellard@amd.com> | 2013-07-08 21:20:34 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-07-08 21:20:34 +0000 |
| commit | 7dfcb84fc16b3bf6b2379713b53090757f0a45f9 (patch) | |
| tree | 7d26fcf050730b26d3221b0b054e781cdadc4069 /test | |
| parent | c4a246996dc37c02958fdbe968c25a5d03a51908 (diff) | |
Fix for a regression caused by the LoopVectorizer when
vectorizing loops with memory accesses to non-zero address spaces. It
simply dropped the AS info. Fixes PR16306.
Merged from r184103
Author: Pekka Jaaskelainen <pekka.jaaskelainen@tut.fi>
Date: Mon Jun 17 18:49:06 2013 +0000
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_33@185869 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/LoopVectorize/multiple-address-spaces.ll | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/multiple-address-spaces.ll b/test/Transforms/LoopVectorize/multiple-address-spaces.ll new file mode 100644 index 0000000000..70ced7c406 --- /dev/null +++ b/test/Transforms/LoopVectorize/multiple-address-spaces.ll @@ -0,0 +1,47 @@ +; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s + +; From a simple program with two address spaces: +; char Y[4*10000] __attribute__((address_space(1))); +; char X[4*10000]; +; int main() { +; for (int i = 0; i < 4*10000; ++i) +; X[i] = Y[i] + 1; +; return 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-unknown-linux-gnu" + +@Y = common addrspace(1) global [40000 x i8] zeroinitializer, align 16 +@X = common global [40000 x i8] zeroinitializer, align 16 + +;CHECK: @main +;CHECK: bitcast i8 addrspace(1)* %{{.*}} to <4 x i8> addrspace(1)* +;CHECK: bitcast i8* %{{.*}} to <4 x i8>* + +; Function Attrs: nounwind uwtable +define i32 @main() #0 { +entry: + br label %for.body + +for.body: ; preds = %for.body, %entry + %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] + %arrayidx = getelementptr inbounds [40000 x i8] addrspace(1)* @Y, i64 0, i64 %indvars.iv + %0 = load i8 addrspace(1)* %arrayidx, align 1, !tbaa !0 + %add = add i8 %0, 1 + %arrayidx3 = getelementptr inbounds [40000 x i8]* @X, i64 0, i64 %indvars.iv + store i8 %add, i8* %arrayidx3, align 1, !tbaa !0 + %indvars.iv.next = add i64 %indvars.iv, 1 + %lftr.wideiv = trunc i64 %indvars.iv.next to i32 + %exitcond = icmp eq i32 %lftr.wideiv, 40000 + br i1 %exitcond, label %for.end, label %for.body + +for.end: ; preds = %for.body + ret i32 0 +} + +attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } + +!0 = metadata !{metadata !"omnipotent char", metadata !1} +!1 = metadata !{metadata !"Simple C/C++ TBAA"} |