diff options
Diffstat (limited to 'llvm/test/CodeGen/AArch64/abds.ll')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/abds.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/abds.ll b/llvm/test/CodeGen/AArch64/abds.ll index d4ad33f963ba..215907c66a6e 100644 --- a/llvm/test/CodeGen/AArch64/abds.ll +++ b/llvm/test/CodeGen/AArch64/abds.ll @@ -571,6 +571,28 @@ define i32 @abd_sub_i32(i32 %a, i32 %b) nounwind { ret i32 %abs } +define i64 @vector_legalized(i16 %a, i16 %b) { +; CHECK-LABEL: vector_legalized: +; CHECK: // %bb.0: +; CHECK-NEXT: movi v0.2d, #0000000000000000 +; CHECK-NEXT: sxth w8, w0 +; CHECK-NEXT: sub w8, w8, w1, sxth +; CHECK-NEXT: addp d0, v0.2d +; CHECK-NEXT: cmp w8, #0 +; CHECK-NEXT: cneg w8, w8, mi +; CHECK-NEXT: fmov x9, d0 +; CHECK-NEXT: add x0, x9, x8 +; CHECK-NEXT: ret + %ea = sext i16 %a to i32 + %eb = sext i16 %b to i32 + %s = sub i32 %ea, %eb + %ab = call i32 @llvm.abs.i32(i32 %s, i1 false) + %e = zext i32 %ab to i64 + %red = call i64 @llvm.vector.reduce.add.v32i64(<32 x i64> zeroinitializer) + %z = add i64 %red, %e + ret i64 %z +} + declare i8 @llvm.abs.i8(i8, i1) declare i16 @llvm.abs.i16(i16, i1) |