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[InstCombine][NFC] Add Tests for Minimum over Trailing/Leading Bits C…
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,355 @@ | ||
| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 | ||
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s | ||
|
|
||
| declare i1 @llvm.umin.i1(i1 %a, i1 %b) | ||
| declare i8 @llvm.umin.i8(i8 %a, i8 %b) | ||
| declare i16 @llvm.umin.i16(i16 %a, i16 %b) | ||
| declare i32 @llvm.umin.i32(i32 %a, i32 %b) | ||
| declare i64 @llvm.umin.i64(i64 %a, i64 %b) | ||
| declare <2 x i32> @llvm.umin.v2i32(<2 x i32> %a, <2 x i32> %b) | ||
|
|
||
| declare i1 @llvm.cttz.i1(i1, i1) | ||
| declare i8 @llvm.cttz.i8(i8, i1) | ||
| declare i16 @llvm.cttz.i16(i16, i1) | ||
| declare i32 @llvm.cttz.i32(i32, i1) | ||
| declare i64 @llvm.cttz.i64(i64, i1) | ||
| declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1) | ||
|
|
||
| declare i1 @llvm.ctlz.i1(i1, i1) | ||
| declare i8 @llvm.ctlz.i8(i8, i1) | ||
| declare i16 @llvm.ctlz.i16(i16, i1) | ||
| declare i32 @llvm.ctlz.i32(i32, i1) | ||
| declare i64 @llvm.ctlz.i64(i64, i1) | ||
| declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1) | ||
|
|
||
| define i8 @umin_cttz_i8_zero_undefined(i8 %X) { | ||
| ; CHECK-LABEL: define i8 @umin_cttz_i8_zero_undefined( | ||
| ; CHECK-SAME: i8 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i8 0, 9) i8 @llvm.cttz.i8(i8 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i8 @llvm.umin.i8(i8 [[CTTZ]], i8 6) | ||
| ; CHECK-NEXT: ret i8 [[RET]] | ||
| ; | ||
| %cttz = call i8 @llvm.cttz.i8(i8 %X, i1 true) | ||
| %ret = call i8 @llvm.umin.i8(i8 %cttz, i8 6) | ||
| ret i8 %ret | ||
| } | ||
|
|
||
| define i8 @umin_cttz_i8_zero_defined(i8 %X) { | ||
| ; CHECK-LABEL: define i8 @umin_cttz_i8_zero_defined( | ||
| ; CHECK-SAME: i8 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i8 0, 9) i8 @llvm.cttz.i8(i8 [[X]], i1 false) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i8 @llvm.umin.i8(i8 [[CTTZ]], i8 6) | ||
| ; CHECK-NEXT: ret i8 [[RET]] | ||
| ; | ||
| %cttz = call i8 @llvm.cttz.i8(i8 %X, i1 false) | ||
| %ret = call i8 @llvm.umin.i8(i8 %cttz, i8 6) | ||
| ret i8 %ret | ||
| } | ||
|
|
||
| define i8 @umin_cttz_i8_commuted_zero_undefined(i8 %X) { | ||
| ; CHECK-LABEL: define i8 @umin_cttz_i8_commuted_zero_undefined( | ||
| ; CHECK-SAME: i8 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i8 0, 9) i8 @llvm.cttz.i8(i8 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i8 @llvm.umin.i8(i8 [[CTTZ]], i8 6) | ||
| ; CHECK-NEXT: ret i8 [[RET]] | ||
| ; | ||
| %cttz = call i8 @llvm.cttz.i8(i8 %X, i1 true) | ||
| %ret = call i8 @llvm.umin.i8(i8 6, i8 %cttz) | ||
| ret i8 %ret | ||
| } | ||
|
|
||
| define i8 @umin_cttz_i8_ge_bitwidth_zero_undefined(i8 %X) { | ||
| ; CHECK-LABEL: define i8 @umin_cttz_i8_ge_bitwidth_zero_undefined( | ||
| ; CHECK-SAME: i8 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i8 0, 9) i8 @llvm.cttz.i8(i8 [[X]], i1 true) | ||
| ; CHECK-NEXT: ret i8 [[CTTZ]] | ||
| ; | ||
| %cttz = call i8 @llvm.cttz.i8(i8 %X, i1 true) | ||
| %ret = call i8 @llvm.umin.i8(i8 %cttz, i8 10) | ||
| ret i8 %ret | ||
| } | ||
|
|
||
| define i16 @umin_cttz_i16_zero_undefined(i16 %X) { | ||
| ; CHECK-LABEL: define i16 @umin_cttz_i16_zero_undefined( | ||
| ; CHECK-SAME: i16 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i16 0, 17) i16 @llvm.cttz.i16(i16 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i16 @llvm.umin.i16(i16 [[CTTZ]], i16 6) | ||
| ; CHECK-NEXT: ret i16 [[RET]] | ||
| ; | ||
| %cttz = call i16 @llvm.cttz.i16(i16 %X, i1 true) | ||
| %ret = call i16 @llvm.umin.i16(i16 %cttz, i16 6) | ||
| ret i16 %ret | ||
| } | ||
|
|
||
| define i32 @umin_cttz_i32_zero_undefined(i32 %X) { | ||
| ; CHECK-LABEL: define i32 @umin_cttz_i32_zero_undefined( | ||
| ; CHECK-SAME: i32 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i32 0, 33) i32 @llvm.cttz.i32(i32 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i32 @llvm.umin.i32(i32 [[CTTZ]], i32 6) | ||
| ; CHECK-NEXT: ret i32 [[RET]] | ||
| ; | ||
| %cttz = call i32 @llvm.cttz.i32(i32 %X, i1 true) | ||
| %ret = call i32 @llvm.umin.i32(i32 %cttz, i32 6) | ||
| ret i32 %ret | ||
| } | ||
|
|
||
| define i64 @umin_cttz_i64_zero_undefined(i64 %X) { | ||
| ; CHECK-LABEL: define i64 @umin_cttz_i64_zero_undefined( | ||
| ; CHECK-SAME: i64 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i64 0, 65) i64 @llvm.cttz.i64(i64 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i64 @llvm.umin.i64(i64 [[CTTZ]], i64 6) | ||
| ; CHECK-NEXT: ret i64 [[RET]] | ||
| ; | ||
| %cttz = call i64 @llvm.cttz.i64(i64 %X, i1 true) | ||
| %ret = call i64 @llvm.umin.i64(i64 %cttz, i64 6) | ||
| ret i64 %ret | ||
| } | ||
|
|
||
| define i1 @umin_cttz_i1_zero_undefined(i1 %X) { | ||
| ; CHECK-LABEL: define i1 @umin_cttz_i1_zero_undefined( | ||
| ; CHECK-SAME: i1 [[X:%.*]]) { | ||
| ; CHECK-NEXT: ret i1 false | ||
| ; | ||
| %cttz = call i1 @llvm.cttz.i1(i1 %X, i1 true) | ||
| %ret = call i1 @llvm.umin.i1(i1 %cttz, i1 1) | ||
| ret i1 %ret | ||
| } | ||
|
|
||
| define i1 @umin_cttz_i1_zero_defined(i1 %X) { | ||
| ; CHECK-LABEL: define i1 @umin_cttz_i1_zero_defined( | ||
| ; CHECK-SAME: i1 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = xor i1 [[X]], true | ||
| ; CHECK-NEXT: ret i1 [[CTTZ]] | ||
| ; | ||
| %cttz = call i1 @llvm.cttz.i1(i1 %X, i1 false) | ||
| %ret = call i1 @llvm.umin.i1(i1 %cttz, i1 1) | ||
| ret i1 %ret | ||
| } | ||
|
|
||
| define <2 x i32> @umin_cttz_2xi32_splat_zero_undefined(<2 x i32> %X) { | ||
| ; CHECK-LABEL: define <2 x i32> @umin_cttz_2xi32_splat_zero_undefined( | ||
| ; CHECK-SAME: <2 x i32> [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i32 0, 33) <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call <2 x i32> @llvm.umin.v2i32(<2 x i32> [[CTTZ]], <2 x i32> <i32 6, i32 6>) | ||
| ; CHECK-NEXT: ret <2 x i32> [[RET]] | ||
| ; | ||
| %cttz = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %X, i1 true) | ||
| %ret = call <2 x i32> @llvm.umin.v2i32(<2 x i32> %cttz, <2 x i32> <i32 6, i32 6>) | ||
| ret <2 x i32> %ret | ||
| } | ||
|
|
||
| define <2 x i32> @umin_cttz_2xi32_splat_poison_zero_undefined(<2 x i32> %X) { | ||
| ; CHECK-LABEL: define <2 x i32> @umin_cttz_2xi32_splat_poison_zero_undefined( | ||
| ; CHECK-SAME: <2 x i32> [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i32 0, 33) <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call <2 x i32> @llvm.umin.v2i32(<2 x i32> [[CTTZ]], <2 x i32> <i32 6, i32 poison>) | ||
| ; CHECK-NEXT: ret <2 x i32> [[RET]] | ||
| ; | ||
| %cttz = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %X, i1 true) | ||
| %ret = call <2 x i32> @llvm.umin.v2i32(<2 x i32> %cttz, <2 x i32> <i32 6, i32 poison>) | ||
| ret <2 x i32> %ret | ||
| } | ||
|
|
||
| define <2 x i32> @umin_cttz_2xi32_no_splat_negative_zero_undefined(<2 x i32> %X) { | ||
| ; CHECK-LABEL: define <2 x i32> @umin_cttz_2xi32_no_splat_negative_zero_undefined( | ||
| ; CHECK-SAME: <2 x i32> [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i32 0, 33) <2 x i32> @llvm.cttz.v2i32(<2 x i32> [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call <2 x i32> @llvm.umin.v2i32(<2 x i32> [[CTTZ]], <2 x i32> <i32 6, i32 0>) | ||
| ; CHECK-NEXT: ret <2 x i32> [[RET]] | ||
| ; | ||
| %cttz = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %X, i1 true) | ||
| %ret = call <2 x i32> @llvm.umin.v2i32(<2 x i32> %cttz, <2 x i32> <i32 6, i32 0>) | ||
| ret <2 x i32> %ret | ||
| } | ||
|
|
||
| define i16 @umin_cttz_i16_negative_non_constant(i16 %X, i16 %Y) { | ||
| ; CHECK-LABEL: define i16 @umin_cttz_i16_negative_non_constant( | ||
| ; CHECK-SAME: i16 [[X:%.*]], i16 [[Y:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i16 0, 17) i16 @llvm.cttz.i16(i16 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i16 @llvm.umin.i16(i16 [[CTTZ]], i16 [[Y]]) | ||
| ; CHECK-NEXT: ret i16 [[RET]] | ||
| ; | ||
| %cttz = call i16 @llvm.cttz.i16(i16 %X, i1 true) | ||
| %ret = call i16 @llvm.umin.i16(i16 %cttz, i16 %Y) | ||
| ret i16 %ret | ||
| } | ||
|
|
||
| define i16 @umin_cttz_i16_negative_two_uses(i16 %X) { | ||
| ; CHECK-LABEL: define i16 @umin_cttz_i16_negative_two_uses( | ||
| ; CHECK-SAME: i16 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i16 0, 17) i16 @llvm.cttz.i16(i16 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[OP0:%.*]] = call i16 @llvm.umin.i16(i16 [[CTTZ]], i16 6) | ||
| ; CHECK-NEXT: [[RET:%.*]] = add nuw nsw i16 [[CTTZ]], [[OP0]] | ||
| ; CHECK-NEXT: ret i16 [[RET]] | ||
| ; | ||
| %cttz = call i16 @llvm.cttz.i16(i16 %X, i1 true) | ||
| %op0 = call i16 @llvm.umin.i16(i16 %cttz, i16 6) | ||
| %ret = add i16 %cttz, %op0 | ||
| ret i16 %ret | ||
| } | ||
|
|
||
| define i8 @umin_ctlz_i8_zero_undefined(i8 %X) { | ||
| ; CHECK-LABEL: define i8 @umin_ctlz_i8_zero_undefined( | ||
| ; CHECK-SAME: i8 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i8 0, 9) i8 @llvm.ctlz.i8(i8 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i8 @llvm.umin.i8(i8 [[CTLZ]], i8 6) | ||
| ; CHECK-NEXT: ret i8 [[RET]] | ||
| ; | ||
| %ctlz = call i8 @llvm.ctlz.i8(i8 %X, i1 true) | ||
| %ret = call i8 @llvm.umin.i8(i8 %ctlz, i8 6) | ||
| ret i8 %ret | ||
| } | ||
|
|
||
| define i8 @umin_ctlz_i8_zero_defined(i8 %X) { | ||
| ; CHECK-LABEL: define i8 @umin_ctlz_i8_zero_defined( | ||
| ; CHECK-SAME: i8 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i8 0, 9) i8 @llvm.ctlz.i8(i8 [[X]], i1 false) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i8 @llvm.umin.i8(i8 [[CTLZ]], i8 6) | ||
| ; CHECK-NEXT: ret i8 [[RET]] | ||
| ; | ||
| %ctlz = call i8 @llvm.ctlz.i8(i8 %X, i1 false) | ||
| %ret = call i8 @llvm.umin.i8(i8 %ctlz, i8 6) | ||
| ret i8 %ret | ||
| } | ||
|
|
||
| define i8 @umin_ctlz_i8_commuted_zero_undefined(i8 %X) { | ||
| ; CHECK-LABEL: define i8 @umin_ctlz_i8_commuted_zero_undefined( | ||
| ; CHECK-SAME: i8 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i8 0, 9) i8 @llvm.ctlz.i8(i8 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i8 @llvm.umin.i8(i8 [[CTLZ]], i8 6) | ||
| ; CHECK-NEXT: ret i8 [[RET]] | ||
| ; | ||
| %ctlz = call i8 @llvm.ctlz.i8(i8 %X, i1 true) | ||
| %ret = call i8 @llvm.umin.i8(i8 6, i8 %ctlz) | ||
| ret i8 %ret | ||
| } | ||
|
|
||
| define i8 @umin_ctlz_i8_ge_bitwidth_zero_undefined(i8 %X) { | ||
| ; CHECK-LABEL: define i8 @umin_ctlz_i8_ge_bitwidth_zero_undefined( | ||
| ; CHECK-SAME: i8 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i8 0, 9) i8 @llvm.ctlz.i8(i8 [[X]], i1 true) | ||
| ; CHECK-NEXT: ret i8 [[CTLZ]] | ||
| ; | ||
| %ctlz = call i8 @llvm.ctlz.i8(i8 %X, i1 true) | ||
| %ret = call i8 @llvm.umin.i8(i8 %ctlz, i8 10) | ||
| ret i8 %ret | ||
| } | ||
|
|
||
| define i16 @umin_ctlz_i16_zero_undefined(i16 %X) { | ||
| ; CHECK-LABEL: define i16 @umin_ctlz_i16_zero_undefined( | ||
| ; CHECK-SAME: i16 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i16 0, 17) i16 @llvm.ctlz.i16(i16 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i16 @llvm.umin.i16(i16 [[CTLZ]], i16 6) | ||
| ; CHECK-NEXT: ret i16 [[RET]] | ||
| ; | ||
| %ctlz = call i16 @llvm.ctlz.i16(i16 %X, i1 true) | ||
| %ret = call i16 @llvm.umin.i16(i16 %ctlz, i16 6) | ||
| ret i16 %ret | ||
| } | ||
|
|
||
| define i32 @umin_ctlz_i32_zero_undefined(i32 %X) { | ||
| ; CHECK-LABEL: define i32 @umin_ctlz_i32_zero_undefined( | ||
| ; CHECK-SAME: i32 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i32 0, 33) i32 @llvm.ctlz.i32(i32 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i32 @llvm.umin.i32(i32 [[CTLZ]], i32 6) | ||
| ; CHECK-NEXT: ret i32 [[RET]] | ||
| ; | ||
| %ctlz = call i32 @llvm.ctlz.i32(i32 %X, i1 true) | ||
| %ret = call i32 @llvm.umin.i32(i32 %ctlz, i32 6) | ||
| ret i32 %ret | ||
| } | ||
|
|
||
| define i64 @umin_ctlz_i64_zero_undefined(i64 %X) { | ||
| ; CHECK-LABEL: define i64 @umin_ctlz_i64_zero_undefined( | ||
| ; CHECK-SAME: i64 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i64 0, 65) i64 @llvm.ctlz.i64(i64 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i64 @llvm.umin.i64(i64 [[CTLZ]], i64 6) | ||
| ; CHECK-NEXT: ret i64 [[RET]] | ||
| ; | ||
| %ctlz = call i64 @llvm.ctlz.i64(i64 %X, i1 true) | ||
| %ret = call i64 @llvm.umin.i64(i64 %ctlz, i64 6) | ||
| ret i64 %ret | ||
| } | ||
|
|
||
| define i1 @umin_ctlz_i1_zero_undefined(i1 %X) { | ||
| ; CHECK-LABEL: define i1 @umin_ctlz_i1_zero_undefined( | ||
| ; CHECK-SAME: i1 [[X:%.*]]) { | ||
| ; CHECK-NEXT: ret i1 false | ||
| ; | ||
| %ctlz = call i1 @llvm.ctlz.i1(i1 %X, i1 true) | ||
| %ret = call i1 @llvm.umin.i1(i1 %ctlz, i1 1) | ||
| ret i1 %ret | ||
| } | ||
|
|
||
| define i1 @umin_ctlz_i1_zero_defined(i1 %X) { | ||
| ; CHECK-LABEL: define i1 @umin_ctlz_i1_zero_defined( | ||
| ; CHECK-SAME: i1 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = xor i1 [[X]], true | ||
| ; CHECK-NEXT: ret i1 [[CTLZ]] | ||
| ; | ||
| %ctlz = call i1 @llvm.ctlz.i1(i1 %X, i1 false) | ||
| %ret = call i1 @llvm.umin.i1(i1 %ctlz, i1 1) | ||
| ret i1 %ret | ||
| } | ||
|
|
||
| define <2 x i32> @umin_ctlz_2xi32_splat_zero_undefined(<2 x i32> %X) { | ||
| ; CHECK-LABEL: define <2 x i32> @umin_ctlz_2xi32_splat_zero_undefined( | ||
| ; CHECK-SAME: <2 x i32> [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i32 0, 33) <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call <2 x i32> @llvm.umin.v2i32(<2 x i32> [[CTLZ]], <2 x i32> <i32 6, i32 6>) | ||
| ; CHECK-NEXT: ret <2 x i32> [[RET]] | ||
| ; | ||
| %ctlz = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %X, i1 true) | ||
| %ret = call <2 x i32> @llvm.umin.v2i32(<2 x i32> %ctlz, <2 x i32> <i32 6, i32 6>) | ||
| ret <2 x i32> %ret | ||
| } | ||
|
|
||
| define <2 x i32> @umin_ctlz_2xi32_splat_poison_zero_undefined(<2 x i32> %X) { | ||
| ; CHECK-LABEL: define <2 x i32> @umin_ctlz_2xi32_splat_poison_zero_undefined( | ||
| ; CHECK-SAME: <2 x i32> [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i32 0, 33) <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call <2 x i32> @llvm.umin.v2i32(<2 x i32> [[CTLZ]], <2 x i32> <i32 6, i32 poison>) | ||
| ; CHECK-NEXT: ret <2 x i32> [[RET]] | ||
| ; | ||
| %ctlz = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %X, i1 true) | ||
| %ret = call <2 x i32> @llvm.umin.v2i32(<2 x i32> %ctlz, <2 x i32> <i32 6, i32 poison>) | ||
| ret <2 x i32> %ret | ||
| } | ||
|
|
||
| define <2 x i32> @umin_ctlz_2xi32_no_splat_negative_zero_undefined(<2 x i32> %X) { | ||
| ; CHECK-LABEL: define <2 x i32> @umin_ctlz_2xi32_no_splat_negative_zero_undefined( | ||
| ; CHECK-SAME: <2 x i32> [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i32 0, 33) <2 x i32> @llvm.ctlz.v2i32(<2 x i32> [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call <2 x i32> @llvm.umin.v2i32(<2 x i32> [[CTLZ]], <2 x i32> <i32 6, i32 0>) | ||
| ; CHECK-NEXT: ret <2 x i32> [[RET]] | ||
| ; | ||
| %ctlz = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %X, i1 true) | ||
| %ret = call <2 x i32> @llvm.umin.v2i32(<2 x i32> %ctlz, <2 x i32> <i32 6, i32 0>) | ||
| ret <2 x i32> %ret | ||
| } | ||
|
|
||
| define i16 @umin_ctlz_i16_negative_non_constant(i16 %X, i16 %Y) { | ||
| ; CHECK-LABEL: define i16 @umin_ctlz_i16_negative_non_constant( | ||
| ; CHECK-SAME: i16 [[X:%.*]], i16 [[Y:%.*]]) { | ||
| ; CHECK-NEXT: [[CTLZ:%.*]] = call range(i16 0, 17) i16 @llvm.ctlz.i16(i16 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[RET:%.*]] = call i16 @llvm.umin.i16(i16 [[CTLZ]], i16 [[Y]]) | ||
| ; CHECK-NEXT: ret i16 [[RET]] | ||
| ; | ||
| %ctlz = call i16 @llvm.ctlz.i16(i16 %X, i1 true) | ||
| %ret = call i16 @llvm.umin.i16(i16 %ctlz, i16 %Y) | ||
| ret i16 %ret | ||
| } | ||
|
|
||
| define i16 @umin_ctlz_i16_negative_two_uses(i16 %X) { | ||
| ; CHECK-LABEL: define i16 @umin_ctlz_i16_negative_two_uses( | ||
| ; CHECK-SAME: i16 [[X:%.*]]) { | ||
| ; CHECK-NEXT: [[CTTZ:%.*]] = call range(i16 0, 17) i16 @llvm.ctlz.i16(i16 [[X]], i1 true) | ||
| ; CHECK-NEXT: [[OP0:%.*]] = call i16 @llvm.umin.i16(i16 [[CTTZ]], i16 6) | ||
| ; CHECK-NEXT: [[RET:%.*]] = add nuw nsw i16 [[CTTZ]], [[OP0]] | ||
| ; CHECK-NEXT: ret i16 [[RET]] | ||
| ; | ||
| %ctlz = call i16 @llvm.ctlz.i16(i16 %X, i1 true) | ||
| %op0 = call i16 @llvm.umin.i16(i16 %ctlz, i16 6) | ||
| %ret = add i16 %ctlz, %op0 | ||
| ret i16 %ret | ||
| } |