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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -verify-machineinstrs -mtriple=aarch64-none-linux-gnu -mattr=+neon | FileCheck %s
define ptr @test_scalar_msub(ptr %a, ptr %b) {
; CHECK-LABEL: test_scalar_msub:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldp w8, w11, [x1]
; CHECK-NEXT: ldp w9, w10, [x0]
; CHECK-NEXT: mul w12, w8, w9
; CHECK-NEXT: mul w8, w10, w8
; CHECK-NEXT: madd w8, w11, w9, w8
; CHECK-NEXT: msub w9, w11, w10, w12
; CHECK-NEXT: stp w9, w8, [x0]
; CHECK-NEXT: ret
entry:
%0 = load i32, ptr %a, align 4
%1 = load i32, ptr %b, align 4
%mul = mul nsw i32 %1, %0
%_M_imag = getelementptr inbounds i8, ptr %a, i64 4
%2 = load i32, ptr %_M_imag, align 4
%_M_imag.i = getelementptr inbounds i8, ptr %b, i64 4
%3 = load i32, ptr %_M_imag.i, align 4
%mul3 = mul nsw i32 %3, %2
%sub = sub nsw i32 %mul, %mul3
%mul6 = mul nsw i32 %3, %0
%mul9 = mul nsw i32 %2, %1
%add = add nsw i32 %mul6, %mul9
store i32 %add, ptr %_M_imag, align 4
store i32 %sub, ptr %a, align 4
ret ptr %a
}
define ptr @test_scalar_msub_i64(ptr %a, ptr %b) {
; CHECK-LABEL: test_scalar_msub_i64:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: ldr x8, [x1]
; CHECK-NEXT: ldur x9, [x0, #4]
; CHECK-NEXT: ldr x10, [x0]
; CHECK-NEXT: ldur x12, [x1, #4]
; CHECK-NEXT: mul x11, x9, x8
; CHECK-NEXT: mul x8, x8, x10
; CHECK-NEXT: madd x10, x12, x10, x11
; CHECK-NEXT: msub x8, x12, x9, x8
; CHECK-NEXT: stur x10, [x0, #4]
; CHECK-NEXT: str x8, [x0]
; CHECK-NEXT: ret
entry:
%0 = load i64, ptr %a, align 8
%1 = load i64, ptr %b, align 8
%mul = mul nsw i64 %1, %0
%_M_imag = getelementptr inbounds i8, ptr %a, i64 4
%2 = load i64, ptr %_M_imag, align 8
%_M_imag.i = getelementptr inbounds i8, ptr %b, i64 4
%3 = load i64, ptr %_M_imag.i, align 8
%mul3 = mul nsw i64 %3, %2
%sub = sub nsw i64 %mul, %mul3
%mul6 = mul nsw i64 %3, %0
%mul9 = mul nsw i64 %2, %1
%add = add nsw i64 %mul6, %mul9
store i64 %add, ptr %_M_imag, align 8
store i64 %sub, ptr %a, align 8
ret ptr %a
}
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