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| author | Evan Cheng <evan.cheng@apple.com> | 2012-11-17 00:05:06 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2012-11-17 00:05:06 +0000 |
| commit | fd22019ec36e8335254430e61a1e5a3f8a681f6a (patch) | |
| tree | 17f466561ea4d1fc0f27ef864787d6a3d35ccd82 /test/Transforms/SROA | |
| parent | 784c5bb8b5619620167a7d4f15e956f438c52830 (diff) | |
| download | external_llvm-fd22019ec36e8335254430e61a1e5a3f8a681f6a.zip external_llvm-fd22019ec36e8335254430e61a1e5a3f8a681f6a.tar.gz external_llvm-fd22019ec36e8335254430e61a1e5a3f8a681f6a.tar.bz2 | |
Teach SROA rewriteVectorizedStoreInst to handle cases when the loaded value is narrower than the stored value. rdar://12713675
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168227 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/SROA')
| -rw-r--r-- | test/Transforms/SROA/vector-extract.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/Transforms/SROA/vector-extract.ll b/test/Transforms/SROA/vector-extract.ll new file mode 100644 index 0000000..2ca6168 --- /dev/null +++ b/test/Transforms/SROA/vector-extract.ll @@ -0,0 +1,25 @@ +; RUN: opt < %s -sroa -S | FileCheck %s +; rdar://12713675 + +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" + +define <2 x i16> @test1(i64 %x) nounwind ssp { +; CHECK: @test1 +entry: + %tmp = alloca i64, align 8 + br i1 undef, label %bb1, label %bb2 +; CHECK-NOT: alloca + +bb1: + store i64 %x, i64* %tmp, align 8 +; CHECK-NOT: store + %0 = bitcast i64* %tmp to <2 x i16>* + %1 = load <2 x i16>* %0, align 8 +; CHECK-NOT: load +; CHECK: trunc i64 %x to i32 +; CHECK: bitcast i32 + ret <2 x i16> %1 + +bb2: + ret <2 x i16> < i16 0, i16 0 > +} |