; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -instcombine -S < %s | FileCheck %s declare double @llvm.powi.f64.i16(double, i16) nounwind readonly declare double @llvm.powi.f64.i32(double, i32) nounwind readonly declare i32 @llvm.cttz.i32(i32, i1) nounwind readnone declare i32 @llvm.ctlz.i32(i32, i1) nounwind readnone declare i1 @llvm.cttz.i1(i1, i1) nounwind readnone declare i1 @llvm.ctlz.i1(i1, i1) nounwind readnone declare <2 x i1> @llvm.cttz.v2i1(<2 x i1>, i1) nounwind readnone declare <2 x i1> @llvm.ctlz.v2i1(<2 x i1>, i1) nounwind readnone declare i32 @llvm.ctpop.i32(i32) nounwind readnone declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1) nounwind readnone declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1) nounwind readnone declare <2 x i32> @llvm.ctpop.v2i32(<2 x i32>) nounwind readnone declare i8 @llvm.ctlz.i8(i8, i1) nounwind readnone declare <2 x i8> @llvm.ctlz.v2i8(<2 x i8>, i1) nounwind readnone declare double @llvm.cos.f64(double %Val) nounwind readonly declare double @llvm.sin.f64(double %Val) nounwind readonly declare double @llvm.floor.f64(double %Val) nounwind readonly declare double @llvm.ceil.f64(double %Val) nounwind readonly declare double @llvm.trunc.f64(double %Val) nounwind readonly declare double @llvm.rint.f64(double %Val) nounwind readonly declare double @llvm.nearbyint.f64(double %Val) nounwind readonly define void @powi(double %V, double *%P) { ; CHECK-LABEL: @powi( ; CHECK-NEXT: [[A:%.*]] = fdiv fast double 1.000000e+00, [[V:%.*]] ; CHECK-NEXT: store volatile double [[A]], double* [[P:%.*]], align 8 ; CHECK-NEXT: [[D:%.*]] = fmul nnan double [[V]], [[V]] ; CHECK-NEXT: store volatile double [[D]], double* [[P]], align 8 ; CHECK-NEXT: [[A2:%.*]] = fdiv fast double 1.000000e+00, [[V]] ; CHECK-NEXT: store volatile double [[A2]], double* [[P]], align 8 ; CHECK-NEXT: [[D2:%.*]] = fmul nnan double [[V]], [[V]] ; CHECK-NEXT: store volatile double [[D2]], double* [[P]], align 8 ; CHECK-NEXT: ret void ; %A = tail call fast double @llvm.powi.f64.i32(double %V, i32 -1) nounwind store volatile double %A, double* %P %D = tail call nnan double @llvm.powi.f64.i32(double %V, i32 2) nounwind store volatile double %D, double* %P %A2 = tail call fast double @llvm.powi.f64.i16(double %V, i16 -1) nounwind store volatile double %A2, double* %P %D2 = tail call nnan double @llvm.powi.f64.i16(double %V, i16 2) nounwind store volatile double %D2, double* %P ret void } define i32 @cttz(i32 %a) { ; CHECK-LABEL: @cttz( ; CHECK-NEXT: ret i32 3 ; %or = or i32 %a, 8 %and = and i32 %or, -8 %count = tail call i32 @llvm.cttz.i32(i32 %and, i1 true) nounwind readnone ret i32 %count } define <2 x i32> @cttz_vec(<2 x i32> %a) { ; CHECK-LABEL: @cttz_vec( ; CHECK-NEXT: ret <2 x i32> ; %or = or <2 x i32> %a, %and = and <2 x i32> %or, %count = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %and, i1 true) nounwind readnone ret <2 x i32> %count } ; Make sure we don't add range metadata to i1 cttz. define i1 @cttz_i1(i1 %arg) { ; CHECK-LABEL: @cttz_i1( ; CHECK-NEXT: [[CNT:%.*]] = xor i1 [[ARG:%.*]], true ; CHECK-NEXT: ret i1 [[CNT]] ; %cnt = call i1 @llvm.cttz.i1(i1 %arg, i1 false) nounwind readnone ret i1 %cnt } define i1 @cttz_i1_zero_is_undef(i1 %arg) { ; CHECK-LABEL: @cttz_i1_zero_is_undef( ; CHECK-NEXT: ret i1 false ; %cnt = call i1 @llvm.cttz.i1(i1 %arg, i1 true) nounwind readnone ret i1 %cnt } define <2 x i1> @cttz_v2i1(<2 x i1> %arg) { ; CHECK-LABEL: @cttz_v2i1( ; CHECK-NEXT: [[CNT:%.*]] = xor <2 x i1> [[ARG:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CNT]] ; %cnt = call <2 x i1> @llvm.cttz.v2i1(<2 x i1> %arg, i1 false) nounwind readnone ret <2 x i1> %cnt } define <2 x i1> @cttz_v2i1_zero_is_undef(<2 x i1> %arg) { ; CHECK-LABEL: @cttz_v2i1_zero_is_undef( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %cnt = call <2 x i1> @llvm.cttz.v2i1(<2 x i1> %arg, i1 true) nounwind readnone ret <2 x i1> %cnt } define i1 @cttz_knownbits(i32 %arg) { ; CHECK-LABEL: @cttz_knownbits( ; CHECK-NEXT: ret i1 false ; %or = or i32 %arg, 4 %cnt = call i32 @llvm.cttz.i32(i32 %or, i1 true) nounwind readnone %res = icmp eq i32 %cnt, 4 ret i1 %res } define <2 x i1> @cttz_knownbits_vec(<2 x i32> %arg) { ; CHECK-LABEL: @cttz_knownbits_vec( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %or = or <2 x i32> %arg, %cnt = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %or, i1 true) nounwind readnone %res = icmp eq <2 x i32> %cnt, ret <2 x i1> %res } define i32 @cttz_knownbits2(i32 %arg) { ; CHECK-LABEL: @cttz_knownbits2( ; CHECK-NEXT: [[OR:%.*]] = or i32 [[ARG:%.*]], 4 ; CHECK-NEXT: [[CNT:%.*]] = call i32 @llvm.cttz.i32(i32 [[OR]], i1 true) #[[ATTR2:[0-9]+]], !range [[RNG0:![0-9]+]] ; CHECK-NEXT: ret i32 [[CNT]] ; %or = or i32 %arg, 4 %cnt = call i32 @llvm.cttz.i32(i32 %or, i1 true) nounwind readnone ret i32 %cnt } define <2 x i32> @cttz_knownbits2_vec(<2 x i32> %arg) { ; CHECK-LABEL: @cttz_knownbits2_vec( ; CHECK-NEXT: [[OR:%.*]] = or <2 x i32> [[ARG:%.*]], ; CHECK-NEXT: [[CNT:%.*]] = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[OR]], i1 true) #[[ATTR2]] ; CHECK-NEXT: ret <2 x i32> [[CNT]] ; %or = or <2 x i32> %arg, %cnt = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %or, i1 true) nounwind readnone ret <2 x i32> %cnt } define i1 @cttz_knownbits3(i32 %arg) { ; CHECK-LABEL: @cttz_knownbits3( ; CHECK-NEXT: ret i1 false ; %or = or i32 %arg, 4 %cnt = call i32 @llvm.cttz.i32(i32 %or, i1 true) nounwind readnone %res = icmp eq i32 %cnt, 3 ret i1 %res } define <2 x i1> @cttz_knownbits3_vec(<2 x i32> %arg) { ; CHECK-LABEL: @cttz_knownbits3_vec( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %or = or <2 x i32> %arg, %cnt = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %or, i1 true) nounwind readnone %res = icmp eq <2 x i32> %cnt, ret <2 x i1> %res } define i8 @ctlz(i8 %a) { ; CHECK-LABEL: @ctlz( ; CHECK-NEXT: ret i8 2 ; %or = or i8 %a, 32 %and = and i8 %or, 63 %count = tail call i8 @llvm.ctlz.i8(i8 %and, i1 true) nounwind readnone ret i8 %count } define <2 x i8> @ctlz_vec(<2 x i8> %a) { ; CHECK-LABEL: @ctlz_vec( ; CHECK-NEXT: ret <2 x i8> ; %or = or <2 x i8> %a, %and = and <2 x i8> %or, %count = tail call <2 x i8> @llvm.ctlz.v2i8(<2 x i8> %and, i1 true) nounwind readnone ret <2 x i8> %count } ; Make sure we don't add range metadata to i1 ctlz. define i1 @ctlz_i1(i1 %arg) { ; CHECK-LABEL: @ctlz_i1( ; CHECK-NEXT: [[CNT:%.*]] = xor i1 [[ARG:%.*]], true ; CHECK-NEXT: ret i1 [[CNT]] ; %cnt = call i1 @llvm.ctlz.i1(i1 %arg, i1 false) nounwind readnone ret i1 %cnt } define i1 @ctlz_i1_zero_is_undef(i1 %arg) { ; CHECK-LABEL: @ctlz_i1_zero_is_undef( ; CHECK-NEXT: ret i1 false ; %cnt = call i1 @llvm.ctlz.i1(i1 %arg, i1 true) nounwind readnone ret i1 %cnt } define <2 x i1> @ctlz_v2i1(<2 x i1> %arg) { ; CHECK-LABEL: @ctlz_v2i1( ; CHECK-NEXT: [[CNT:%.*]] = xor <2 x i1> [[ARG:%.*]], ; CHECK-NEXT: ret <2 x i1> [[CNT]] ; %cnt = call <2 x i1> @llvm.ctlz.v2i1(<2 x i1> %arg, i1 false) nounwind readnone ret <2 x i1> %cnt } define <2 x i1> @ctlz_v2i1_zero_is_undef(<2 x i1> %arg) { ; CHECK-LABEL: @ctlz_v2i1_zero_is_undef( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %cnt = call <2 x i1> @llvm.ctlz.v2i1(<2 x i1> %arg, i1 true) nounwind readnone ret <2 x i1> %cnt } define i1 @ctlz_knownbits(i8 %arg) { ; CHECK-LABEL: @ctlz_knownbits( ; CHECK-NEXT: ret i1 false ; %or = or i8 %arg, 32 %cnt = call i8 @llvm.ctlz.i8(i8 %or, i1 true) nounwind readnone %res = icmp eq i8 %cnt, 4 ret i1 %res } define <2 x i1> @ctlz_knownbits_vec(<2 x i8> %arg) { ; CHECK-LABEL: @ctlz_knownbits_vec( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %or = or <2 x i8> %arg, %cnt = call <2 x i8> @llvm.ctlz.v2i8(<2 x i8> %or, i1 true) nounwind readnone %res = icmp eq <2 x i8> %cnt, ret <2 x i1> %res } define i8 @ctlz_knownbits2(i8 %arg) { ; CHECK-LABEL: @ctlz_knownbits2( ; CHECK-NEXT: [[OR:%.*]] = or i8 [[ARG:%.*]], 32 ; CHECK-NEXT: [[CNT:%.*]] = call i8 @llvm.ctlz.i8(i8 [[OR]], i1 true) #[[ATTR2]], !range [[RNG1:![0-9]+]] ; CHECK-NEXT: ret i8 [[CNT]] ; %or = or i8 %arg, 32 %cnt = call i8 @llvm.ctlz.i8(i8 %or, i1 true) nounwind readnone ret i8 %cnt } define <2 x i8> @ctlz_knownbits2_vec(<2 x i8> %arg) { ; CHECK-LABEL: @ctlz_knownbits2_vec( ; CHECK-NEXT: [[OR:%.*]] = or <2 x i8> [[ARG:%.*]], ; CHECK-NEXT: [[CNT:%.*]] = call <2 x i8> @llvm.ctlz.v2i8(<2 x i8> [[OR]], i1 true) #[[ATTR2]] ; CHECK-NEXT: ret <2 x i8> [[CNT]] ; %or = or <2 x i8> %arg, %cnt = call <2 x i8> @llvm.ctlz.v2i8(<2 x i8> %or, i1 true) nounwind readnone ret <2 x i8> %cnt } define i1 @ctlz_knownbits3(i8 %arg) { ; CHECK-LABEL: @ctlz_knownbits3( ; CHECK-NEXT: ret i1 false ; %or = or i8 %arg, 32 %cnt = call i8 @llvm.ctlz.i8(i8 %or, i1 true) nounwind readnone %res = icmp eq i8 %cnt, 3 ret i1 %res } define <2 x i1> @ctlz_knownbits3_vec(<2 x i8> %arg) { ; CHECK-LABEL: @ctlz_knownbits3_vec( ; CHECK-NEXT: ret <2 x i1> zeroinitializer ; %or = or <2 x i8> %arg, %cnt = call <2 x i8> @llvm.ctlz.v2i8(<2 x i8> %or, i1 true) nounwind readnone %res = icmp eq <2 x i8> %cnt, ret <2 x i1> %res } define i32 @ctlz_undef(i32 %Value) { ; CHECK-LABEL: @ctlz_undef( ; CHECK-NEXT: ret i32 undef ; %ctlz = call i32 @llvm.ctlz.i32(i32 0, i1 true) ret i32 %ctlz } define <2 x i32> @ctlz_undef_vec(<2 x i32> %Value) { ; CHECK-LABEL: @ctlz_undef_vec( ; CHECK-NEXT: ret <2 x i32> undef ; %ctlz = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> zeroinitializer, i1 true) ret <2 x i32> %ctlz } define i32 @ctlz_make_undef(i32 %a) { ; CHECK-LABEL: @ctlz_make_undef( ; CHECK-NEXT: [[OR:%.*]] = or i32 [[A:%.*]], 8 ; CHECK-NEXT: [[CTLZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[OR]], i1 true), !range [[RNG2:![0-9]+]] ; CHECK-NEXT: ret i32 [[CTLZ]] ; %or = or i32 %a, 8 %ctlz = tail call i32 @llvm.ctlz.i32(i32 %or, i1 false) ret i32 %ctlz } define <2 x i32> @ctlz_make_undef_vec(<2 x i32> %a) { ; CHECK-LABEL: @ctlz_make_undef_vec( ; CHECK-NEXT: [[OR:%.*]] = or <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[CTLZ:%.*]] = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[OR]], i1 true) ; CHECK-NEXT: ret <2 x i32> [[CTLZ]] ; %or = or <2 x i32> %a, %ctlz = tail call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %or, i1 false) ret <2 x i32> %ctlz } define i32 @cttz_undef(i32 %Value) nounwind { ; CHECK-LABEL: @cttz_undef( ; CHECK-NEXT: ret i32 undef ; %cttz = call i32 @llvm.cttz.i32(i32 0, i1 true) ret i32 %cttz } define <2 x i32> @cttz_undef_vec(<2 x i32> %Value) nounwind { ; CHECK-LABEL: @cttz_undef_vec( ; CHECK-NEXT: ret <2 x i32> undef ; %cttz = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> zeroinitializer, i1 true) ret <2 x i32> %cttz } define i32 @cttz_make_undef(i32 %a) { ; CHECK-LABEL: @cttz_make_undef( ; CHECK-NEXT: [[OR:%.*]] = or i32 [[A:%.*]], 8 ; CHECK-NEXT: [[CTTZ:%.*]] = tail call i32 @llvm.cttz.i32(i32 [[OR]], i1 true), !range [[RNG3:![0-9]+]] ; CHECK-NEXT: ret i32 [[CTTZ]] ; %or = or i32 %a, 8 %cttz = tail call i32 @llvm.cttz.i32(i32 %or, i1 false) ret i32 %cttz } define <2 x i32> @cttz_make_undef_vec(<2 x i32> %a) { ; CHECK-LABEL: @cttz_make_undef_vec( ; CHECK-NEXT: [[OR:%.*]] = or <2 x i32> [[A:%.*]], ; CHECK-NEXT: [[CTTZ:%.*]] = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[OR]], i1 true) ; CHECK-NEXT: ret <2 x i32> [[CTTZ]] ; %or = or <2 x i32> %a, %cttz = tail call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %or, i1 false) ret <2 x i32> %cttz } define i32 @ctlz_select(i32 %Value) nounwind { ; CHECK-LABEL: @ctlz_select( ; CHECK-NEXT: [[CTLZ:%.*]] = call i32 @llvm.ctlz.i32(i32 [[VALUE:%.*]], i1 false), !range [[RNG4:![0-9]+]] ; CHECK-NEXT: ret i32 [[CTLZ]] ; %tobool = icmp ne i32 %Value, 0 %ctlz = call i32 @llvm.ctlz.i32(i32 %Value, i1 true) %s = select i1 %tobool, i32 %ctlz, i32 32 ret i32 %s } define <2 x i32> @ctlz_select_vec(<2 x i32> %Value) nounwind { ; CHECK-LABEL: @ctlz_select_vec( ; CHECK-NEXT: [[CTLZ:%.*]] = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[VALUE:%.*]], i1 false) ; CHECK-NEXT: ret <2 x i32> [[CTLZ]] ; %tobool = icmp ne <2 x i32> %Value, zeroinitializer %ctlz = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %Value, i1 true) %s = select <2 x i1> %tobool, <2 x i32> %ctlz, <2 x i32> ret <2 x i32> %s } define i32 @cttz_select(i32 %Value) nounwind { ; CHECK-LABEL: @cttz_select( ; CHECK-NEXT: [[CTTZ:%.*]] = call i32 @llvm.cttz.i32(i32 [[VALUE:%.*]], i1 false), !range [[RNG4]] ; CHECK-NEXT: ret i32 [[CTTZ]] ; %tobool = icmp ne i32 %Value, 0 %cttz = call i32 @llvm.cttz.i32(i32 %Value, i1 true) %s = select i1 %tobool, i32 %cttz, i32 32 ret i32 %s } define <2 x i32> @cttz_select_vec(<2 x i32> %Value) nounwind { ; CHECK-LABEL: @cttz_select_vec( ; CHECK-NEXT: [[CTTZ:%.*]] = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[VALUE:%.*]], i1 false) ; CHECK-NEXT: ret <2 x i32> [[CTTZ]] ; %tobool = icmp ne <2 x i32> %Value, zeroinitializer %cttz = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %Value, i1 true) %s = select <2 x i1> %tobool, <2 x i32> %cttz, <2 x i32> ret <2 x i32> %s } define void @cos(double *%P) { ; CHECK-LABEL: @cos( ; CHECK-NEXT: store volatile double 1.000000e+00, double* [[P:%.*]], align 8 ; CHECK-NEXT: ret void ; %B = tail call double @llvm.cos.f64(double 0.0) nounwind store volatile double %B, double* %P ret void } define void @sin(double *%P) { ; CHECK-LABEL: @sin( ; CHECK-NEXT: store volatile double 0.000000e+00, double* [[P:%.*]], align 8 ; CHECK-NEXT: ret void ; %B = tail call double @llvm.sin.f64(double 0.0) nounwind store volatile double %B, double* %P ret void } define void @floor(double *%P) { ; CHECK-LABEL: @floor( ; CHECK-NEXT: store volatile double 1.000000e+00, double* [[P:%.*]], align 8 ; CHECK-NEXT: store volatile double -2.000000e+00, double* [[P]], align 8 ; CHECK-NEXT: ret void ; %B = tail call double @llvm.floor.f64(double 1.5) nounwind store volatile double %B, double* %P %C = tail call double @llvm.floor.f64(double -1.5) nounwind store volatile double %C, double* %P ret void } define void @ceil(double *%P) { ; CHECK-LABEL: @ceil( ; CHECK-NEXT: store volatile double 2.000000e+00, double* [[P:%.*]], align 8 ; CHECK-NEXT: store volatile double -1.000000e+00, double* [[P]], align 8 ; CHECK-NEXT: ret void ; %B = tail call double @llvm.ceil.f64(double 1.5) nounwind store volatile double %B, double* %P %C = tail call double @llvm.ceil.f64(double -1.5) nounwind store volatile double %C, double* %P ret void } define void @trunc(double *%P) { ; CHECK-LABEL: @trunc( ; CHECK-NEXT: store volatile double 1.000000e+00, double* [[P:%.*]], align 8 ; CHECK-NEXT: store volatile double -1.000000e+00, double* [[P]], align 8 ; CHECK-NEXT: ret void ; %B = tail call double @llvm.trunc.f64(double 1.5) nounwind store volatile double %B, double* %P %C = tail call double @llvm.trunc.f64(double -1.5) nounwind store volatile double %C, double* %P ret void } define void @rint(double *%P) { ; CHECK-LABEL: @rint( ; CHECK-NEXT: store volatile double 2.000000e+00, double* [[P:%.*]], align 8 ; CHECK-NEXT: store volatile double -2.000000e+00, double* [[P]], align 8 ; CHECK-NEXT: ret void ; %B = tail call double @llvm.rint.f64(double 1.5) nounwind store volatile double %B, double* %P %C = tail call double @llvm.rint.f64(double -1.5) nounwind store volatile double %C, double* %P ret void } define void @nearbyint(double *%P) { ; CHECK-LABEL: @nearbyint( ; CHECK-NEXT: store volatile double 2.000000e+00, double* [[P:%.*]], align 8 ; CHECK-NEXT: store volatile double -2.000000e+00, double* [[P]], align 8 ; CHECK-NEXT: ret void ; %B = tail call double @llvm.nearbyint.f64(double 1.5) nounwind store volatile double %B, double* %P %C = tail call double @llvm.nearbyint.f64(double -1.5) nounwind store volatile double %C, double* %P ret void } ; CHECK: [[RNG0]] = !{i32 0, i32 3} ; CHECK: [[RNG1]] = !{i8 0, i8 3}