; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt < %s -passes=instcombine -S | FileCheck %s ; This test makes sure that mul instructions are properly eliminated. ; This test is for Integer BitWidth < 64 && BitWidth % 2 != 0. define i17 @test1(i17 %X) { ; CHECK-LABEL: @test1( ; CHECK-NEXT: [[Y:%.*]] = shl i17 [[X:%.*]], 10 ; CHECK-NEXT: ret i17 [[Y]] ; %Y = mul i17 %X, 1024 ret i17 %Y } define <2 x i17> @test2(<2 x i17> %X) { ; CHECK-LABEL: @test2( ; CHECK-NEXT: [[Y:%.*]] = shl <2 x i17> [[X:%.*]], <i17 10, i17 10> ; CHECK-NEXT: ret <2 x i17> [[Y]] ; %Y = mul <2 x i17> %X, <i17 1024, i17 1024> ret <2 x i17> %Y } define <2 x i17> @test3(<2 x i17> %X) { ; CHECK-LABEL: @test3( ; CHECK-NEXT: [[Y:%.*]] = shl <2 x i17> [[X:%.*]], <i17 10, i17 8> ; CHECK-NEXT: ret <2 x i17> [[Y]] ; %Y = mul <2 x i17> %X, <i17 1024, i17 256> ret <2 x i17> %Y }