diff options
Diffstat (limited to 'test/CodeGen/X86/avx512-zext-load-crash.ll')
| -rw-r--r-- | test/CodeGen/X86/avx512-zext-load-crash.ll | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/CodeGen/X86/avx512-zext-load-crash.ll b/test/CodeGen/X86/avx512-zext-load-crash.ll new file mode 100644 index 0000000..07ded13 --- /dev/null +++ b/test/CodeGen/X86/avx512-zext-load-crash.ll @@ -0,0 +1,14 @@ +; RUN: llc < %s -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s + +define <8 x i16> @test_zext_load() { + ; CHECK: vmovq +entry: + %0 = load <2 x i16> ** undef, align 8 + %1 = getelementptr inbounds <2 x i16>* %0, i64 1 + %2 = load <2 x i16>* %0, align 1 + %3 = shufflevector <2 x i16> %2, <2 x i16> undef, <8 x i32> <i32 0, i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef> + %4 = load <2 x i16>* %1, align 1 + %5 = shufflevector <2 x i16> %4, <2 x i16> undef, <8 x i32> <i32 0, i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef> + %6 = shufflevector <8 x i16> %3, <8 x i16> %5, <8 x i32> <i32 0, i32 1, i32 8, i32 9, i32 undef, i32 undef, i32 undef, i32 undef> + ret <8 x i16> %6 +} |