diff options
| author | Nemanja Ivanovic <nemanja.i.ibm@gmail.com> | 2017-08-08 13:52:45 +0000 |
|---|---|---|
| committer | Nemanja Ivanovic <nemanja.i.ibm@gmail.com> | 2017-08-08 13:52:45 +0000 |
| commit | ccf6aaba910a9669fbf123282e681686b8447d2e (patch) | |
| tree | cee97a36f1fc056e5954f3bf7aa55cf64e63a9d3 /test/CodeGen/PowerPC/splat-larger-types-as-v16i8.ll | |
| parent | 0e484a9fbc1c78de235b7973143a7b7fe97529c0 (diff) | |
[PowerPC] Don't crash on larger splats achieved through 1-byte splats
We've implemented a 1-byte splat using XXSPLTISB on P9. However, LLVM will
produce a 1-byte splat even for wider element BUILD_VECTOR nodes. This patch
prevents crashing in that situation.
Differential Revision: https://reviews.llvm.org/D35650
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@310358 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/PowerPC/splat-larger-types-as-v16i8.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/splat-larger-types-as-v16i8.ll | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/splat-larger-types-as-v16i8.ll b/test/CodeGen/PowerPC/splat-larger-types-as-v16i8.ll new file mode 100644 index 00000000000..2ae61f1bb57 --- /dev/null +++ b/test/CodeGen/PowerPC/splat-larger-types-as-v16i8.ll @@ -0,0 +1,20 @@ +; RUN: llc -mcpu=pwr9 -mtriple=powerpc64-unknown-unknown < %s | FileCheck %s +; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-unknown < %s | FileCheck %s +define <8 x i16> @test1() { +entry: + ret <8 x i16> <i16 257, i16 257, i16 257, i16 257, i16 257, i16 257, i16 257, i16 257> +; CHECK-LABEL: test1 +; CHECK: xxspltib 34, 1 +} +define <8 x i16> @testAB() { +entry: +; CHECK-LABEL: testAB +; CHECK: xxspltib 34, 171 + ret <8 x i16> <i16 43947, i16 43947, i16 43947, i16 43947, i16 43947, i16 43947, i16 43947, i16 43947> +} +define <4 x i32> @testAB32() { +entry: +; CHECK-LABEL: testAB32 +; CHECK: xxspltib 34, 171 + ret <4 x i32> <i32 2880154539, i32 2880154539, i32 2880154539, i32 2880154539> +} |