[llvm] r350468 - [InstCombine] Add cttz/ctlz + icmp ugt/ult tests; NFC
Nikita Popov via llvm-commits
llvm-commits at lists.llvm.org
Sat Jan 5 07:51:59 PST 2019
Author: nikic
Date: Sat Jan 5 07:51:59 2019
New Revision: 350468
URL: http://llvm.org/viewvc/llvm-project?rev=350468&view=rev
Log:
[InstCombine] Add cttz/ctlz + icmp ugt/ult tests; NFC
Modified:
llvm/trunk/test/Transforms/InstCombine/cmp-intrinsic.ll
Modified: llvm/trunk/test/Transforms/InstCombine/cmp-intrinsic.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/InstCombine/cmp-intrinsic.ll?rev=350468&r1=350467&r2=350468&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/InstCombine/cmp-intrinsic.ll (original)
+++ llvm/trunk/test/Transforms/InstCombine/cmp-intrinsic.ll Sat Jan 5 07:51:59 2019
@@ -137,6 +137,92 @@ define <2 x i1> @ctlz_ne_bitwidth_v2i32(
ret <2 x i1> %cmp
}
+define i1 @ctlz_ugt_zero_i32(i32 %x) {
+; CHECK-LABEL: @ctlz_ugt_zero_i32(
+; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i32 [[X:%.*]], -1
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+ %cmp = icmp ugt i32 %lz, 0
+ ret i1 %cmp
+}
+
+define i1 @ctlz_ugt_one_i32(i32 %x) {
+; CHECK-LABEL: @ctlz_ugt_one_i32(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
+; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[LZ]], 1
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+ %cmp = icmp ugt i32 %lz, 1
+ ret i1 %cmp
+}
+
+define i1 @ctlz_ugt_other_i32(i32 %x) {
+; CHECK-LABEL: @ctlz_ugt_other_i32(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
+; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[LZ]], 16
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+ %cmp = icmp ugt i32 %lz, 16
+ ret i1 %cmp
+}
+
+define i1 @ctlz_ugt_bw_minus_one_i32(i32 %x) {
+; CHECK-LABEL: @ctlz_ugt_bw_minus_one_i32(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
+; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[LZ]], 31
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+ %cmp = icmp ugt i32 %lz, 31
+ ret i1 %cmp
+}
+
+define i1 @ctlz_ult_one_i32(i32 %x) {
+; CHECK-LABEL: @ctlz_ult_one_i32(
+; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+ %cmp = icmp ult i32 %lz, 1
+ ret i1 %cmp
+}
+
+define i1 @ctlz_ult_other_i32(i32 %x) {
+; CHECK-LABEL: @ctlz_ult_other_i32(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
+; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[LZ]], 16
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+ %cmp = icmp ult i32 %lz, 16
+ ret i1 %cmp
+}
+
+define i1 @ctlz_ult_bw_minus_one_i32(i32 %x) {
+; CHECK-LABEL: @ctlz_ult_bw_minus_one_i32(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
+; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[LZ]], 31
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+ %cmp = icmp ult i32 %lz, 31
+ ret i1 %cmp
+}
+
+define i1 @ctlz_ult_bitwidth_i32(i32 %x) {
+; CHECK-LABEL: @ctlz_ult_bitwidth_i32(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0
+; CHECK-NEXT: [[CMP:%.*]] = icmp ult i32 [[LZ]], 32
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i32 @llvm.ctlz.i32(i32 %x, i1 false)
+ %cmp = icmp ult i32 %lz, 32
+ ret i1 %cmp
+}
+
define i1 @cttz_ne_bitwidth_i33(i33 %x) {
; CHECK-LABEL: @cttz_ne_bitwidth_i33(
; CHECK-NEXT: [[CMP:%.*]] = icmp ne i33 [[X:%.*]], 0
@@ -234,6 +320,94 @@ define i1 @cttz_eq_other_i33_multiuse(i3
ret i1 %cmp
}
+define i1 @cttz_ugt_zero_i33(i33 %x) {
+; CHECK-LABEL: @cttz_ugt_zero_i33(
+; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 1
+; CHECK-NEXT: [[CMP:%.*]] = icmp eq i33 [[TMP1]], 0
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
+ %cmp = icmp ugt i33 %lz, 0
+ ret i1 %cmp
+}
+
+define i1 @cttz_ugt_one_i33(i33 %x) {
+; CHECK-LABEL: @cttz_ugt_one_i33(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
+; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[LZ]], 1
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
+ %cmp = icmp ugt i33 %lz, 1
+ ret i1 %cmp
+}
+
+define i1 @cttz_ugt_other_i33(i33 %x) {
+; CHECK-LABEL: @cttz_ugt_other_i33(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
+; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[LZ]], 16
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
+ %cmp = icmp ugt i33 %lz, 16
+ ret i1 %cmp
+}
+
+define i1 @cttz_ugt_bw_minus_one_i33(i33 %x) {
+; CHECK-LABEL: @cttz_ugt_bw_minus_one_i33(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
+; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i33 [[LZ]], 32
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
+ %cmp = icmp ugt i33 %lz, 32
+ ret i1 %cmp
+}
+
+define i1 @cttz_ult_one_i33(i33 %x) {
+; CHECK-LABEL: @cttz_ult_one_i33(
+; CHECK-NEXT: [[TMP1:%.*]] = and i33 [[X:%.*]], 1
+; CHECK-NEXT: [[CMP:%.*]] = icmp ne i33 [[TMP1]], 0
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
+ %cmp = icmp ult i33 %lz, 1
+ ret i1 %cmp
+}
+
+define i1 @cttz_ult_other_i33(i33 %x) {
+; CHECK-LABEL: @cttz_ult_other_i33(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
+; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[LZ]], 16
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
+ %cmp = icmp ult i33 %lz, 16
+ ret i1 %cmp
+}
+
+define i1 @cttz_ult_bw_minus_one_i33(i33 %x) {
+; CHECK-LABEL: @cttz_ult_bw_minus_one_i33(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
+; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[LZ]], 32
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
+ %cmp = icmp ult i33 %lz, 32
+ ret i1 %cmp
+}
+
+define i1 @cttz_ult_bitwidth_i33(i33 %x) {
+; CHECK-LABEL: @cttz_ult_bitwidth_i33(
+; CHECK-NEXT: [[LZ:%.*]] = tail call i33 @llvm.cttz.i33(i33 [[X:%.*]], i1 false), !range !1
+; CHECK-NEXT: [[CMP:%.*]] = icmp ult i33 [[LZ]], 33
+; CHECK-NEXT: ret i1 [[CMP]]
+;
+ %lz = tail call i33 @llvm.cttz.i33(i33 %x, i1 false)
+ %cmp = icmp ult i33 %lz, 33
+ ret i1 %cmp
+}
+
define i1 @ctpop_eq_zero_i11(i11 %x) {
; CHECK-LABEL: @ctpop_eq_zero_i11(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i11 [[X:%.*]], 0
More information about the llvm-commits
mailing list