; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-- | FileCheck %s define i64 @muladd_demand(i64 %x, i64 %y) { ; CHECK-LABEL: muladd_demand: ; CHECK: # %bb.0: ; CHECK-NEXT: movq %rsi, %rax ; CHECK-NEXT: shll $6, %edi ; CHECK-NEXT: subl %edi, %eax ; CHECK-NEXT: shlq $47, %rax ; CHECK-NEXT: retq %m = mul i64 %x, 131008 ; 0x0001ffc0 %a = add i64 %m, %y %r = shl i64 %a, 47 ret i64 %r } define <2 x i64> @muladd_demand_commute(<2 x i64> %x, <2 x i64> %y) { ; CHECK-LABEL: muladd_demand_commute: ; CHECK: # %bb.0: ; CHECK-NEXT: psllq $6, %xmm0 ; CHECK-NEXT: psubq %xmm0, %xmm1 ; CHECK-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1 ; CHECK-NEXT: movdqa %xmm1, %xmm0 ; CHECK-NEXT: retq %m = mul <2 x i64> %x, <i64 131008, i64 131008> %a = add <2 x i64> %y, %m %r = and <2 x i64> %a, <i64 131071, i64 131071> ret <2 x i64> %r }