forked from OSchip/llvm-project
[InstCombine] Add cttz/ctlz + icmp ugt/ult tests; NFC
llvm-svn: 350468
This commit is contained in:
Nikita Popov
parent
e8775ad169
commit
b46680407d
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@ -137,6 +137,92 @@ define <2 x i1> @ctlz_ne_bitwidth_v2i32(<2 x i32> %a) {
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ret <2 x i1> %cmp
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}
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define i1 @ctlz_ugt_zero_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ugt_zero_i32(
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; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ugt i32 %lz, 0
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ret i1 %cmp
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}
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define i1 @ctlz_ugt_one_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ugt_one_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[LZ]], 1
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ugt i32 %lz, 1
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ret i1 %cmp
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}
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define i1 @ctlz_ugt_other_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ugt_other_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[LZ]], 16
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ugt i32 %lz, 16
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ret i1 %cmp
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}
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define i1 @ctlz_ugt_bw_minus_one_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ugt_bw_minus_one_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[LZ]], 31
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ugt i32 %lz, 31
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ret i1 %cmp
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}
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define i1 @ctlz_ult_one_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ult_one_i32(
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ult i32 %lz, 1
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ret i1 %cmp
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}
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define i1 @ctlz_ult_other_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ult_other_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[LZ]], 16
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ult i32 %lz, 16
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ret i1 %cmp
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}
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define i1 @ctlz_ult_bw_minus_one_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ult_bw_minus_one_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[LZ]], 31
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ult i32 %lz, 31
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ret i1 %cmp
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}
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define i1 @ctlz_ult_bitwidth_i32(i32 %x) {
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; CHECK-LABEL: @ctlz_ult_bitwidth_i32(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[LZ]], 32
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
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%cmp = icmp ult i32 %lz, 32
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ret i1 %cmp
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}
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define i1 @cttz_ne_bitwidth_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ne_bitwidth_i33(
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; CHECK-NEXT: [[CMP:%.*]] = icmp ne i33 [[X:%.*]], 0
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@ -234,6 +320,94 @@ define i1 @cttz_eq_other_i33_multiuse(i33 %x, i33* %p) {
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ret i1 %cmp
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}
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define i1 @cttz_ugt_zero_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ugt_zero_i33(
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; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TMP1]], 0
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %lz, 0
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ret i1 %cmp
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}
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define i1 @cttz_ugt_one_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ugt_one_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[LZ]], 1
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %lz, 1
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ret i1 %cmp
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}
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define i1 @cttz_ugt_other_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ugt_other_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[LZ]], 16
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %lz, 16
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ret i1 %cmp
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}
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define i1 @cttz_ugt_bw_minus_one_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ugt_bw_minus_one_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[LZ]], 32
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ugt i33 %lz, 32
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ret i1 %cmp
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}
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define i1 @cttz_ult_one_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ult_one_i33(
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; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ne i33 [[TMP1]], 0
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ult i33 %lz, 1
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ret i1 %cmp
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}
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define i1 @cttz_ult_other_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ult_other_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[LZ]], 16
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ult i33 %lz, 16
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ret i1 %cmp
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}
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define i1 @cttz_ult_bw_minus_one_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ult_bw_minus_one_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[LZ]], 32
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ult i33 %lz, 32
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ret i1 %cmp
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}
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define i1 @cttz_ult_bitwidth_i33(i33 %x) {
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; CHECK-LABEL: @cttz_ult_bitwidth_i33(
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; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
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; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[LZ]], 33
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; CHECK-NEXT: ret i1 [[CMP]]
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;
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%lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
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%cmp = icmp ult i33 %lz, 33
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ret i1 %cmp
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}
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define i1 @ctpop_eq_zero_i11(i11 %x) {
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; CHECK-LABEL: @ctpop_eq_zero_i11(
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i11 [[X:%.*]], 0
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