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| author | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
| commit | ebe69fe11e48d322045d5949c83283927a0d790b (patch) | |
| tree | c92f1907a6b8006628a4b01615f38264d29834ea /test/Transforms/LoopVectorize/loop-form.ll | |
| parent | b7d2e72b02a4cb8034f32f8247a2558d2434e121 (diff) | |
| download | external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.zip external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.gz external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.bz2 | |
Update aosp/master LLVM for rebase to r230699.
Change-Id: I2b5be30509658cb8266be782de0ab24f9099f9b9
Diffstat (limited to 'test/Transforms/LoopVectorize/loop-form.ll')
| -rw-r--r-- | test/Transforms/LoopVectorize/loop-form.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/Transforms/LoopVectorize/loop-form.ll b/test/Transforms/LoopVectorize/loop-form.ll new file mode 100644 index 0000000..138df1d --- /dev/null +++ b/test/Transforms/LoopVectorize/loop-form.ll @@ -0,0 +1,31 @@ +; RUN: opt -S -loop-vectorize < %s | FileCheck %s +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" + +; Check that we vectorize only bottom-tested loops. +; This is a reduced testcase from PR21302. +; +; rdar://problem/18886083 + +%struct.X = type { i32, i16 } +; CHECK-LABEL: @foo( +; CHECK-NOT: vector.body + +define void @foo(i32 %n) { +entry: + br label %for.cond + +for.cond: + %i = phi i32 [ 0, %entry ], [ %inc, %for.body ] + %cmp = icmp slt i32 %i, %n + br i1 %cmp, label %for.body, label %if.end + +for.body: + %iprom = sext i32 %i to i64 + %b = getelementptr inbounds %struct.X* undef, i64 %iprom, i32 1 + store i16 0, i16* %b, align 4 + %inc = add nsw i32 %i, 1 + br label %for.cond + +if.end: + ret void +} |