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Diffstat (limited to 'test/CodeGen/ARM64/vcombine.ll')
| -rw-r--r-- | test/CodeGen/ARM64/vcombine.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/ARM64/vcombine.ll b/test/CodeGen/ARM64/vcombine.ll new file mode 100644 index 0000000..16f591e --- /dev/null +++ b/test/CodeGen/ARM64/vcombine.ll @@ -0,0 +1,17 @@ +; RUN: llc < %s -march=arm64 -arm64-neon-syntax=apple | FileCheck %s + +; LowerCONCAT_VECTORS() was reversing the order of two parts. +; rdar://11558157 +; rdar://11559553 +define <16 x i8> @test(<16 x i8> %q0, <16 x i8> %q1, i8* nocapture %dest) nounwind { +entry: +; CHECK-LABEL: test: +; CHECK: ins.d v0[1], v1[0] + %0 = bitcast <16 x i8> %q0 to <2 x i64> + %shuffle.i = shufflevector <2 x i64> %0, <2 x i64> undef, <1 x i32> zeroinitializer + %1 = bitcast <16 x i8> %q1 to <2 x i64> + %shuffle.i4 = shufflevector <2 x i64> %1, <2 x i64> undef, <1 x i32> zeroinitializer + %shuffle.i3 = shufflevector <1 x i64> %shuffle.i, <1 x i64> %shuffle.i4, <2 x i32> <i32 0, i32 1> + %2 = bitcast <2 x i64> %shuffle.i3 to <16 x i8> + ret <16 x i8> %2 +} |