; RUN: opt < %s -passes=instcombine -S | FileCheck %s ; X * Y (when Y is a boolean) --> Y ? X : 0 define float @fmul_bool(float %x, i1 %y) { ; CHECK-LABEL: @fmul_bool( ; CHECK-NEXT: [[M:%.*]] = select nnan nsz i1 [[Y:%.*]], float [[X:%.*]], float 0.000000e+00 ; CHECK-NEXT: ret float [[M]] ; %z = uitofp i1 %y to float %m = fmul nnan nsz float %z, %x ret float %m } define <2 x float> @fmul_bool_vec(<2 x float> %x, <2 x i1> %y) { ; CHECK-LABEL: @fmul_bool_vec( ; CHECK-NEXT: [[M:%.*]] = select nnan nsz <2 x i1> [[Y:%.*]], <2 x float> [[X:%.*]], <2 x float> zeroinitializer ; CHECK-NEXT: ret <2 x float> [[M]] ; %z = uitofp <2 x i1> %y to <2 x float> %m = fmul nnan nsz <2 x float> %z, %x ret <2 x float> %m } define <2 x float> @fmul_bool_vec_commute(<2 x float> %px, <2 x i1> %y) { ; CHECK-LABEL: @fmul_bool_vec_commute( ; CHECK-NEXT: [[X:%.*]] = fmul nnan nsz <2 x float> [[PX:%.*]], [[PX]] ; CHECK-NEXT: [[M:%.*]] = select nnan nsz <2 x i1> [[Y:%.*]], <2 x float> [[X]], <2 x float> zeroinitializer ; CHECK-NEXT: ret <2 x float> [[M]] ; %x = fmul nnan nsz <2 x float> %px, %px ; thwart complexity-based canonicalization %z = uitofp <2 x i1> %y to <2 x float> %m = fmul nnan nsz <2 x float> %x, %z ret <2 x float> %m }