Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
InstCombine: Add baseline tests for is.fpclass with fcmp
- Loading branch information
Showing
1 changed file
with
388 additions
and
0 deletions.
There are no files selected for viewing
388 changes: 388 additions & 0 deletions
388
llvm/test/Transforms/InstCombine/combine-is.fpclass-and-fcmp.ll
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,388 @@ | ||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | ||
; RUN: opt -S -passes=instcombine < %s | FileCheck %s | ||
|
||
define i1 @fcmp_oeq_inf_or_class_normal(half %x) { | ||
; CHECK-LABEL: @fcmp_oeq_inf_or_class_normal( | ||
; CHECK-NEXT: [[OEQ_INF:%.*]] = fcmp oeq half [[X:%.*]], 0xH7C00 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[OEQ_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%oeq.inf = fcmp oeq half %x, 0xH7C00 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %oeq.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @class_normal_or_fcmp_oeq_inf(half %x) { | ||
; CHECK-LABEL: @class_normal_or_fcmp_oeq_inf( | ||
; CHECK-NEXT: [[OEQ_INF:%.*]] = fcmp oeq half [[X:%.*]], 0xH7C00 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[CLASS]], [[OEQ_INF]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%oeq.inf = fcmp oeq half %x, 0xH7C00 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %class, %oeq.inf | ||
ret i1 %or | ||
} | ||
|
||
define <2 x i1> @fcmp_oeq_inf_or_class_normal_vector(<2 x half> %x) { | ||
; CHECK-LABEL: @fcmp_oeq_inf_or_class_normal_vector( | ||
; CHECK-NEXT: [[OEQ_INF:%.*]] = fcmp oeq <2 x half> [[X:%.*]], <half 0xH7C00, half 0xH7C00> | ||
; CHECK-NEXT: [[CLASS:%.*]] = call <2 x i1> @llvm.is.fpclass.v2f16(<2 x half> [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or <2 x i1> [[OEQ_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret <2 x i1> [[OR]] | ||
; | ||
%oeq.inf = fcmp oeq <2 x half> %x, <half 0xH7C00, half 0xH7C00> | ||
%class = call <2 x i1> @llvm.is.fpclass.v2f16(<2 x half> %x, i32 264) | ||
%or = or <2 x i1> %oeq.inf, %class | ||
ret <2 x i1> %or | ||
} | ||
|
||
define i1 @fcmp_oeq_inf_multi_use_or_class_normal(half %x, ptr %ptr) { | ||
; CHECK-LABEL: @fcmp_oeq_inf_multi_use_or_class_normal( | ||
; CHECK-NEXT: [[OEQ_INF:%.*]] = fcmp oeq half [[X:%.*]], 0xH7C00 | ||
; CHECK-NEXT: store i1 [[OEQ_INF]], ptr [[PTR:%.*]], align 1 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[OEQ_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%oeq.inf = fcmp oeq half %x, 0xH7C00 | ||
store i1 %oeq.inf, ptr %ptr | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %oeq.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @fcmp_oeq_inf_or_class_normal_multi_use(half %x, ptr %ptr) { | ||
; CHECK-LABEL: @fcmp_oeq_inf_or_class_normal_multi_use( | ||
; CHECK-NEXT: [[OEQ_INF:%.*]] = fcmp oeq half [[X:%.*]], 0xH7C00 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: store i1 [[CLASS]], ptr [[PTR:%.*]], align 1 | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[OEQ_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%oeq.inf = fcmp oeq half %x, 0xH7C00 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
store i1 %class, ptr %ptr | ||
%or = or i1 %oeq.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
; -> true | ||
define i1 @fcmp_ord_or_class_isnan(half %x) { | ||
; CHECK-LABEL: @fcmp_ord_or_class_isnan( | ||
; CHECK-NEXT: [[ORD:%.*]] = fcmp ord half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 3) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[ORD]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%ord = fcmp ord half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 3) | ||
%or = or i1 %ord, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @fcmp_ord_or_class_isnan_wrong_operand(half %x, half %y) { | ||
; CHECK-LABEL: @fcmp_ord_or_class_isnan_wrong_operand( | ||
; CHECK-NEXT: [[ORD:%.*]] = fcmp ord half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[Y:%.*]], i32 3) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[ORD]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%ord = fcmp ord half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %y, i32 3) | ||
%or = or i1 %ord, %class | ||
ret i1 %or | ||
} | ||
|
||
; -> false | ||
define i1 @fcmp_ord_and_class_isnan(half %x) { | ||
; CHECK-LABEL: @fcmp_ord_and_class_isnan( | ||
; CHECK-NEXT: [[ORD:%.*]] = fcmp ord half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 3) | ||
; CHECK-NEXT: [[AND:%.*]] = and i1 [[ORD]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[AND]] | ||
; | ||
%ord = fcmp ord half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 3) | ||
%and = and i1 %ord, %class | ||
ret i1 %and | ||
} | ||
|
||
; -> true | ||
define i1 @fcmp_ord_or_class_isnan_commute(half %x) { | ||
; CHECK-LABEL: @fcmp_ord_or_class_isnan_commute( | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X:%.*]], i32 3) | ||
; CHECK-NEXT: [[ORD:%.*]] = fcmp ord half [[X]], 0xH0000 | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[CLASS]], [[ORD]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 3) | ||
%ord = fcmp ord half %x, 0.0 | ||
%or = or i1 %class, %ord | ||
ret i1 %or | ||
} | ||
|
||
; -> false | ||
define i1 @fcmp_ord_and_class_isnan_commute(half %x) { | ||
; CHECK-LABEL: @fcmp_ord_and_class_isnan_commute( | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X:%.*]], i32 3) | ||
; CHECK-NEXT: [[ORD:%.*]] = fcmp ord half [[X]], 0xH0000 | ||
; CHECK-NEXT: [[AND:%.*]] = and i1 [[CLASS]], [[ORD]] | ||
; CHECK-NEXT: ret i1 [[AND]] | ||
; | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 3) | ||
%ord = fcmp ord half %x, 0.0 | ||
%and = and i1 %class, %ord | ||
ret i1 %and | ||
} | ||
|
||
define i1 @fcmp_isfinite_and_class_subnormal(half %x) { | ||
; CHECK-LABEL: @fcmp_isfinite_and_class_subnormal( | ||
; CHECK-NEXT: [[FABS:%.*]] = call half @llvm.fabs.f16(half [[X:%.*]]) | ||
; CHECK-NEXT: [[IS_FINITE:%.*]] = fcmp olt half [[FABS]], 0xH7C00 | ||
; CHECK-NEXT: [[SUBNORMAL_CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 144) | ||
; CHECK-NEXT: [[AND:%.*]] = and i1 [[IS_FINITE]], [[SUBNORMAL_CLASS]] | ||
; CHECK-NEXT: ret i1 [[AND]] | ||
; | ||
%fabs = call half @llvm.fabs.f16(half %x) | ||
%is.finite = fcmp olt half %fabs, 0xH7C00 | ||
%subnormal.class = call i1 @llvm.is.fpclass.f16(half %x, i32 144) | ||
%and = and i1 %is.finite, %subnormal.class | ||
ret i1 %and | ||
} | ||
|
||
define i1 @fcmp_isfinite_or_class_subnormal(half %x) { | ||
; CHECK-LABEL: @fcmp_isfinite_or_class_subnormal( | ||
; CHECK-NEXT: [[FABS:%.*]] = call half @llvm.fabs.f16(half [[X:%.*]]) | ||
; CHECK-NEXT: [[IS_FINITE:%.*]] = fcmp olt half [[FABS]], 0xH7C00 | ||
; CHECK-NEXT: [[SUBNORMAL_CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 144) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[IS_FINITE]], [[SUBNORMAL_CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%fabs = call half @llvm.fabs.f16(half %x) | ||
%is.finite = fcmp olt half %fabs, 0xH7C00 | ||
%subnormal.class = call i1 @llvm.is.fpclass.f16(half %x, i32 144) | ||
%or = or i1 %is.finite, %subnormal.class | ||
ret i1 %or | ||
} | ||
|
||
; -> isfinite | ||
define i1 @fcmp_issubnormal_or_class_finite(half %x) { | ||
; CHECK-LABEL: @fcmp_issubnormal_or_class_finite( | ||
; CHECK-NEXT: [[FABS:%.*]] = call half @llvm.fabs.f16(half [[X:%.*]]) | ||
; CHECK-NEXT: [[IS_SUBNORMAL:%.*]] = fcmp olt half [[FABS]], 0xH0400 | ||
; CHECK-NEXT: [[IS_FINITE_CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 504) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[IS_SUBNORMAL]], [[IS_FINITE_CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%fabs = call half @llvm.fabs.f16(half %x) | ||
%is.subnormal = fcmp olt half %fabs, 0xH0400 | ||
%is.finite.class = call i1 @llvm.is.fpclass.f16(half %x, i32 504) | ||
%or = or i1 %is.subnormal, %is.finite.class | ||
ret i1 %or | ||
} | ||
|
||
; -> isfinite | ||
define i1 @class_finite_or_fcmp_issubnormal(half %x) { | ||
; CHECK-LABEL: @class_finite_or_fcmp_issubnormal( | ||
; CHECK-NEXT: [[FABS:%.*]] = call half @llvm.fabs.f16(half [[X:%.*]]) | ||
; CHECK-NEXT: [[IS_SUBNORMAL:%.*]] = fcmp olt half [[FABS]], 0xH0400 | ||
; CHECK-NEXT: [[IS_FINITE_CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 504) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[IS_FINITE_CLASS]], [[IS_SUBNORMAL]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%fabs = call half @llvm.fabs.f16(half %x) | ||
%is.subnormal = fcmp olt half %fabs, 0xH0400 | ||
%is.finite.class = call i1 @llvm.is.fpclass.f16(half %x, i32 504) | ||
%or = or i1 %is.finite.class, %is.subnormal | ||
ret i1 %or | ||
} | ||
|
||
; -> issubnormal | ||
define i1 @fcmp_issubnormal_and_class_finite(half %x) { | ||
; CHECK-LABEL: @fcmp_issubnormal_and_class_finite( | ||
; CHECK-NEXT: [[FABS:%.*]] = call half @llvm.fabs.f16(half [[X:%.*]]) | ||
; CHECK-NEXT: [[IS_SUBNORMAL:%.*]] = fcmp olt half [[FABS]], 0xH0400 | ||
; CHECK-NEXT: [[IS_FINITE_CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 504) | ||
; CHECK-NEXT: [[AND:%.*]] = and i1 [[IS_SUBNORMAL]], [[IS_FINITE_CLASS]] | ||
; CHECK-NEXT: ret i1 [[AND]] | ||
; | ||
%fabs = call half @llvm.fabs.f16(half %x) | ||
%is.subnormal = fcmp olt half %fabs, 0xH0400 | ||
%is.finite.class = call i1 @llvm.is.fpclass.f16(half %x, i32 504) | ||
%and = and i1 %is.subnormal, %is.finite.class | ||
ret i1 %and | ||
} | ||
|
||
define i1 @class_inf_or_fcmp_issubnormal(half %x) { | ||
; CHECK-LABEL: @class_inf_or_fcmp_issubnormal( | ||
; CHECK-NEXT: [[FABS:%.*]] = call half @llvm.fabs.f16(half [[X:%.*]]) | ||
; CHECK-NEXT: [[IS_SUBNORMAL:%.*]] = fcmp olt half [[FABS]], 0xH0400 | ||
; CHECK-NEXT: [[IS_INF_CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 516) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[IS_INF_CLASS]], [[IS_SUBNORMAL]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%fabs = call half @llvm.fabs.f16(half %x) | ||
%is.subnormal = fcmp olt half %fabs, 0xH0400 | ||
%is.inf.class = call i1 @llvm.is.fpclass.f16(half %x, i32 516) | ||
%or = or i1 %is.inf.class, %is.subnormal | ||
ret i1 %or | ||
} | ||
|
||
; -> isfinite | ||
define <2 x i1> @class_finite_or_fcmp_issubnormal_vector(<2 x half> %x) { | ||
; CHECK-LABEL: @class_finite_or_fcmp_issubnormal_vector( | ||
; CHECK-NEXT: [[FABS:%.*]] = call <2 x half> @llvm.fabs.v2f16(<2 x half> [[X:%.*]]) | ||
; CHECK-NEXT: [[IS_SUBNORMAL:%.*]] = fcmp olt <2 x half> [[FABS]], <half 0xH0400, half 0xH0400> | ||
; CHECK-NEXT: [[IS_FINITE_CLASS:%.*]] = call <2 x i1> @llvm.is.fpclass.v2f16(<2 x half> [[X]], i32 504) | ||
; CHECK-NEXT: [[OR:%.*]] = or <2 x i1> [[IS_FINITE_CLASS]], [[IS_SUBNORMAL]] | ||
; CHECK-NEXT: ret <2 x i1> [[OR]] | ||
; | ||
%fabs = call <2 x half> @llvm.fabs.v2f16(<2 x half> %x) | ||
%is.subnormal = fcmp olt <2 x half> %fabs, <half 0xH0400, half 0xH0400> | ||
%is.finite.class = call <2 x i1> @llvm.is.fpclass.v2f16(<2 x half> %x, i32 504) | ||
%or = or <2 x i1> %is.finite.class, %is.subnormal | ||
ret <2 x i1> %or | ||
} | ||
|
||
define i1 @fcmp_oeq_zero_or_class_normal(half %x) { | ||
; CHECK-LABEL: @fcmp_oeq_zero_or_class_normal( | ||
; CHECK-NEXT: [[OEQ_INF:%.*]] = fcmp oeq half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[OEQ_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%oeq.inf = fcmp oeq half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %oeq.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @class_normal_or_fcmp_oeq_zero(half %x) { | ||
; CHECK-LABEL: @class_normal_or_fcmp_oeq_zero( | ||
; CHECK-NEXT: [[OEQ_INF:%.*]] = fcmp oeq half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[OEQ_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%oeq.inf = fcmp oeq half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %oeq.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @fcmp_ueq_zero_or_class_normal(half %x) { | ||
; CHECK-LABEL: @fcmp_ueq_zero_or_class_normal( | ||
; CHECK-NEXT: [[UEQ_INF:%.*]] = fcmp ueq half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[UEQ_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%ueq.inf = fcmp ueq half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %ueq.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @class_normal_or_fcmp_ueq_zero(half %x) { | ||
; CHECK-LABEL: @class_normal_or_fcmp_ueq_zero( | ||
; CHECK-NEXT: [[UEQ_INF:%.*]] = fcmp ueq half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[UEQ_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%ueq.inf = fcmp ueq half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %ueq.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @fcmp_one_zero_or_class_normal(half %x) { | ||
; CHECK-LABEL: @fcmp_one_zero_or_class_normal( | ||
; CHECK-NEXT: [[ONE_INF:%.*]] = fcmp one half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[ONE_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%one.inf = fcmp one half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %one.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @class_normal_or_fcmp_one_zero(half %x) { | ||
; CHECK-LABEL: @class_normal_or_fcmp_one_zero( | ||
; CHECK-NEXT: [[ONE_INF:%.*]] = fcmp one half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[ONE_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%one.inf = fcmp one half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %one.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @fcmp_une_zero_or_class_normal(half %x) { | ||
; CHECK-LABEL: @fcmp_une_zero_or_class_normal( | ||
; CHECK-NEXT: [[UNE_INF:%.*]] = fcmp une half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[UNE_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%une.inf = fcmp une half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %une.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @class_normal_or_fcmp_une_zero(half %x) { | ||
; CHECK-LABEL: @class_normal_or_fcmp_une_zero( | ||
; CHECK-NEXT: [[UNE_INF:%.*]] = fcmp une half [[X:%.*]], 0xH0000 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[OR:%.*]] = or i1 [[UNE_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[OR]] | ||
; | ||
%une.inf = fcmp une half %x, 0.0 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%or = or i1 %une.inf, %class | ||
ret i1 %or | ||
} | ||
|
||
define i1 @fcmp_oeq_inf_xor_class_normal(half %x) { | ||
; CHECK-LABEL: @fcmp_oeq_inf_xor_class_normal( | ||
; CHECK-NEXT: [[OEQ_INF:%.*]] = fcmp oeq half [[X:%.*]], 0xH7C00 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[XOR:%.*]] = xor i1 [[OEQ_INF]], [[CLASS]] | ||
; CHECK-NEXT: ret i1 [[XOR]] | ||
; | ||
%oeq.inf = fcmp oeq half %x, 0xH7C00 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%xor = xor i1 %oeq.inf, %class | ||
ret i1 %xor | ||
} | ||
|
||
define i1 @class_normal_xor_fcmp_oeq_inf(half %x) { | ||
; CHECK-LABEL: @class_normal_xor_fcmp_oeq_inf( | ||
; CHECK-NEXT: [[OEQ_INF:%.*]] = fcmp oeq half [[X:%.*]], 0xH7C00 | ||
; CHECK-NEXT: [[CLASS:%.*]] = call i1 @llvm.is.fpclass.f16(half [[X]], i32 264) | ||
; CHECK-NEXT: [[XOR:%.*]] = xor i1 [[CLASS]], [[OEQ_INF]] | ||
; CHECK-NEXT: ret i1 [[XOR]] | ||
; | ||
%oeq.inf = fcmp oeq half %x, 0xH7C00 | ||
%class = call i1 @llvm.is.fpclass.f16(half %x, i32 264) | ||
%xor = xor i1 %class, %oeq.inf | ||
ret i1 %xor | ||
} | ||
|
||
|
||
declare half @llvm.fabs.f16(half) #0 | ||
declare half @llvm.canonicalize.f16(half) #0 | ||
declare <2 x half> @llvm.fabs.v2f16(<2 x half>) #0 | ||
declare i1 @llvm.is.fpclass.f16(half, i32 immarg) #0 | ||
declare <2 x i1> @llvm.is.fpclass.v2f16(<2 x half>, i32 immarg) #0 | ||
|
||
attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } |