| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt < %s -S -instcombine | FileCheck %s |
| |
| declare i32 @llvm.cttz.i32(i32, i1) |
| declare <2 x i64> @llvm.cttz.v2i64(<2 x i64>, i1) |
| declare void @use(i32) |
| |
| define i32 @cttz_zext_zero_undef(i16 %x) { |
| ; CHECK-LABEL: @cttz_zext_zero_undef( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call i16 @llvm.cttz.i16(i16 [[X:%.*]], i1 true), !range [[RNG0:![0-9]+]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = zext i16 [[TMP1]] to i32 |
| ; CHECK-NEXT: ret i32 [[TMP2]] |
| ; |
| %z = zext i16 %x to i32 |
| %tz = call i32 @llvm.cttz.i32(i32 %z, i1 true) |
| ret i32 %tz |
| } |
| |
| define i32 @cttz_zext_zero_def(i16 %x) { |
| ; CHECK-LABEL: @cttz_zext_zero_def( |
| ; CHECK-NEXT: [[Z:%.*]] = zext i16 [[X:%.*]] to i32 |
| ; CHECK-NEXT: [[TZ:%.*]] = call i32 @llvm.cttz.i32(i32 [[Z]], i1 false), !range [[RNG1:![0-9]+]] |
| ; CHECK-NEXT: ret i32 [[TZ]] |
| ; |
| %z = zext i16 %x to i32 |
| %tz = call i32 @llvm.cttz.i32(i32 %z, i1 false) |
| ret i32 %tz |
| } |
| |
| define i32 @cttz_zext_zero_undef_extra_use(i16 %x) { |
| ; CHECK-LABEL: @cttz_zext_zero_undef_extra_use( |
| ; CHECK-NEXT: [[Z:%.*]] = zext i16 [[X:%.*]] to i32 |
| ; CHECK-NEXT: call void @use(i32 [[Z]]) |
| ; CHECK-NEXT: [[TZ:%.*]] = call i32 @llvm.cttz.i32(i32 [[Z]], i1 true), !range [[RNG1]] |
| ; CHECK-NEXT: ret i32 [[TZ]] |
| ; |
| %z = zext i16 %x to i32 |
| call void @use(i32 %z) |
| %tz = call i32 @llvm.cttz.i32(i32 %z, i1 true) |
| ret i32 %tz |
| } |
| |
| define <2 x i64> @cttz_zext_zero_undef_vec(<2 x i32> %x) { |
| ; CHECK-LABEL: @cttz_zext_zero_undef_vec( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X:%.*]], i1 true) |
| ; CHECK-NEXT: [[TMP2:%.*]] = zext <2 x i32> [[TMP1]] to <2 x i64> |
| ; CHECK-NEXT: ret <2 x i64> [[TMP2]] |
| ; |
| %z = zext <2 x i32> %x to <2 x i64> |
| %tz = tail call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %z, i1 true) |
| ret <2 x i64> %tz |
| } |
| |
| define <2 x i64> @cttz_zext_zero_def_vec(<2 x i32> %x) { |
| ; CHECK-LABEL: @cttz_zext_zero_def_vec( |
| ; CHECK-NEXT: [[Z:%.*]] = zext <2 x i32> [[X:%.*]] to <2 x i64> |
| ; CHECK-NEXT: [[TZ:%.*]] = tail call <2 x i64> @llvm.cttz.v2i64(<2 x i64> [[Z]], i1 false) |
| ; CHECK-NEXT: ret <2 x i64> [[TZ]] |
| ; |
| %z = zext <2 x i32> %x to <2 x i64> |
| %tz = tail call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %z, i1 false) |
| ret <2 x i64> %tz |
| } |
| |
| define i32 @cttz_sext_zero_undef(i16 %x) { |
| ; CHECK-LABEL: @cttz_sext_zero_undef( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call i16 @llvm.cttz.i16(i16 [[X:%.*]], i1 true), !range [[RNG0]] |
| ; CHECK-NEXT: [[TMP2:%.*]] = zext i16 [[TMP1]] to i32 |
| ; CHECK-NEXT: ret i32 [[TMP2]] |
| ; |
| %s = sext i16 %x to i32 |
| %tz = call i32 @llvm.cttz.i32(i32 %s, i1 true) |
| ret i32 %tz |
| } |
| |
| define i32 @cttz_sext_zero_def(i16 %x) { |
| ; CHECK-LABEL: @cttz_sext_zero_def( |
| ; CHECK-NEXT: [[TMP1:%.*]] = zext i16 [[X:%.*]] to i32 |
| ; CHECK-NEXT: [[TMP2:%.*]] = call i32 @llvm.cttz.i32(i32 [[TMP1]], i1 false), !range [[RNG1]] |
| ; CHECK-NEXT: ret i32 [[TMP2]] |
| ; |
| %s = sext i16 %x to i32 |
| %tz = call i32 @llvm.cttz.i32(i32 %s, i1 false) |
| ret i32 %tz |
| } |
| |
| define i32 @cttz_sext_zero_undef_extra_use(i16 %x) { |
| ; CHECK-LABEL: @cttz_sext_zero_undef_extra_use( |
| ; CHECK-NEXT: [[S:%.*]] = sext i16 [[X:%.*]] to i32 |
| ; CHECK-NEXT: call void @use(i32 [[S]]) |
| ; CHECK-NEXT: [[TZ:%.*]] = call i32 @llvm.cttz.i32(i32 [[S]], i1 true), !range [[RNG1]] |
| ; CHECK-NEXT: ret i32 [[TZ]] |
| ; |
| %s = sext i16 %x to i32 |
| call void @use(i32 %s) |
| %tz = call i32 @llvm.cttz.i32(i32 %s, i1 true) |
| ret i32 %tz |
| } |
| |
| define <2 x i64> @cttz_sext_zero_undef_vec(<2 x i32> %x) { |
| ; CHECK-LABEL: @cttz_sext_zero_undef_vec( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X:%.*]], i1 true) |
| ; CHECK-NEXT: [[TMP2:%.*]] = zext <2 x i32> [[TMP1]] to <2 x i64> |
| ; CHECK-NEXT: ret <2 x i64> [[TMP2]] |
| ; |
| %s = sext <2 x i32> %x to <2 x i64> |
| %tz = tail call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %s, i1 true) |
| ret <2 x i64> %tz |
| } |
| |
| define <2 x i64> @cttz_sext_zero_def_vec(<2 x i32> %x) { |
| ; CHECK-LABEL: @cttz_sext_zero_def_vec( |
| ; CHECK-NEXT: [[TMP1:%.*]] = zext <2 x i32> [[X:%.*]] to <2 x i64> |
| ; CHECK-NEXT: [[TMP2:%.*]] = call <2 x i64> @llvm.cttz.v2i64(<2 x i64> [[TMP1]], i1 false) |
| ; CHECK-NEXT: ret <2 x i64> [[TMP2]] |
| ; |
| %s = sext <2 x i32> %x to <2 x i64> |
| %tz = tail call <2 x i64> @llvm.cttz.v2i64(<2 x i64> %s, i1 false) |
| ret <2 x i64> %tz |
| } |