; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv64 -mattr=+m -verify-machineinstrs < %s | FileCheck %s ; This test has multiple opportunities for SimplifyDemandedBits after type ; legalization. There are 2 opportunities on the chain feeding the LHS of the ; shl. And one opportunity on the shift amount. We previously weren't managing ; the DAGCombiner worklist correctly and failed to get the RHS. define i32 @foo(i32 %x, i32 %y, i32 %z) { ; CHECK-LABEL: foo: ; CHECK: # %bb.0: ; CHECK-NEXT: mulw a0, a0, a0 ; CHECK-NEXT: addi a0, a0, 1 ; CHECK-NEXT: mul a0, a0, a0 ; CHECK-NEXT: add a0, a0, a2 ; CHECK-NEXT: addi a0, a0, 1 ; CHECK-NEXT: sllw a0, a0, a1 ; CHECK-NEXT: ret %b = mul i32 %x, %x %c = add i32 %b, 1 %d = mul i32 %c, %c %e = add i32 %d, %z %f = add i32 %e, 1 %g = shl i32 %f, %y ret i32 %g }