diff options
Diffstat (limited to 'llvm/test/CodeGen/AArch64/abdu.ll')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/abdu.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/abdu.ll b/llvm/test/CodeGen/AArch64/abdu.ll index 983db629e449..f70f095d7dab 100644 --- a/llvm/test/CodeGen/AArch64/abdu.ll +++ b/llvm/test/CodeGen/AArch64/abdu.ll @@ -409,6 +409,32 @@ define i128 @abd_cmp_i128(i128 %a, i128 %b) nounwind { ret i128 %sel } +; +; negative tests +; + +define i64 @vector_legalized(i16 %a, i16 %b) { +; CHECK-LABEL: vector_legalized: +; CHECK: // %bb.0: +; CHECK-NEXT: movi v0.2d, #0000000000000000 +; CHECK-NEXT: and w8, w0, #0xffff +; CHECK-NEXT: sub w8, w8, w1, uxth +; CHECK-NEXT: cmp w8, #0 +; CHECK-NEXT: addp d0, v0.2d +; CHECK-NEXT: cneg w8, w8, mi +; CHECK-NEXT: fmov x9, d0 +; CHECK-NEXT: add x0, x9, x8 +; CHECK-NEXT: ret + %ea = zext i16 %a to i32 + %eb = zext 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) declare i32 @llvm.abs.i32(i32, i1) |