| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -instcombine -S < %s | FileCheck %s |
| |
| define i32 @ctlz_true_bitreverse(i32 %x) { |
| ; CHECK-LABEL: @ctlz_true_bitreverse( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.cttz.i32(i32 [[X:%.*]], i1 true), !range !0 |
| ; CHECK-NEXT: ret i32 [[TMP1]] |
| ; |
| %a = tail call i32 @llvm.bitreverse.i32(i32 %x) |
| %b = tail call i32 @llvm.ctlz.i32(i32 %a, i1 true) |
| ret i32 %b |
| } |
| |
| define <2 x i64> @ctlz_true_bitreverse_vec(<2 x i64> %x) { |
| ; CHECK-LABEL: @ctlz_true_bitreverse_vec( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> [[X:%.*]], i1 true) |
| ; CHECK-NEXT: ret <2 x i64> [[TMP1]] |
| ; |
| %a = tail call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %x) |
| %b = tail call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> %a, i1 true) |
| ret <2 x i64> %b |
| } |
| |
| define i32 @ctlz_false_bitreverse(i32 %x) { |
| ; CHECK-LABEL: @ctlz_false_bitreverse( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.cttz.i32(i32 [[X:%.*]], i1 false), !range !0 |
| ; CHECK-NEXT: ret i32 [[TMP1]] |
| ; |
| %a = tail call i32 @llvm.bitreverse.i32(i32 %x) |
| %b = tail call i32 @llvm.ctlz.i32(i32 %a, i1 false) |
| ret i32 %b |
| } |
| |
| define i32 @cttz_true_bitreverse(i32 %x) { |
| ; CHECK-LABEL: @cttz_true_bitreverse( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 true), !range !0 |
| ; CHECK-NEXT: ret i32 [[TMP1]] |
| ; |
| %a = tail call i32 @llvm.bitreverse.i32(i32 %x) |
| %b = tail call i32 @llvm.cttz.i32(i32 %a, i1 true) |
| ret i32 %b |
| } |
| |
| define <2 x i64> @cttz_true_bitreverse_vec(<2 x i64> %x) { |
| ; CHECK-LABEL: @cttz_true_bitreverse_vec( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call <2 x i64> @llvm.ctlz.v2i64(<2 x i64> [[X:%.*]], i1 true) |
| ; CHECK-NEXT: ret <2 x i64> [[TMP1]] |
| ; |
| %a = tail call <2 x i64> @llvm.bitreverse.v2i64(<2 x i64> %x) |
| %b = tail call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %a, i1 true) |
| ret <2 x i64> %b |
| } |
| |
| define i32 @cttz_false_bitreverse(i32 %x) { |
| ; CHECK-LABEL: @cttz_false_bitreverse( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.ctlz.i32(i32 [[X:%.*]], i1 false), !range !0 |
| ; CHECK-NEXT: ret i32 [[TMP1]] |
| ; |
| %a = tail call i32 @llvm.bitreverse.i32(i32 %x) |
| %b = tail call i32 @llvm.cttz.i32(i32 %a, i1 false) |
| ret i32 %b |
| } |
| |
| declare i32 @llvm.bitreverse.i32(i32) |
| declare <2 x i64> @llvm.bitreverse.v2i64(<2 x i64>) |
| declare i32 @llvm.ctlz.i32(i32, i1) |
| declare i32 @llvm.cttz.i32(i32, i1) |
| declare <2 x i64> @llvm.ctlz.v2i64(<2 x i64>, i1) |
| declare <2 x i64> @llvm.cttz.v2i64(<2 x i64>, i1) |