9978f6a10f
In most cases, SETCC lowering will be able to simplify/commute the comparison by adjusting the constant. TODO: We still need to adjust ExtraCost based on CostKind Fixes #80122
172 lines
7.4 KiB
LLVM
172 lines
7.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4
|
|
; RUN: opt < %s -S -passes=simplifycfg -mtriple=x86_64-- -mcpu=x86-64 | FileCheck %s --check-prefixes=SSE,SSE2
|
|
; RUN: opt < %s -S -passes=simplifycfg -mtriple=x86_64-- -mcpu=x86-64-v2 | FileCheck %s --check-prefixes=SSE,SSE4
|
|
; RUN: opt < %s -S -passes=simplifycfg -mtriple=x86_64-- -mcpu=x86-64-v3 | FileCheck %s --check-prefixes=AVX,AVX2
|
|
; RUN: opt < %s -S -passes=simplifycfg -mtriple=x86_64-- -mcpu=x86-64-v4 | FileCheck %s --check-prefixes=AVX,AVX512
|
|
|
|
define zeroext i1 @cmp128(<2 x i64> %x, <2 x i64> %y) {
|
|
; SSE2-LABEL: define zeroext i1 @cmp128(
|
|
; SSE2-SAME: <2 x i64> [[X:%.*]], <2 x i64> [[Y:%.*]]) #[[ATTR0:[0-9]+]] {
|
|
; SSE2-NEXT: entry:
|
|
; SSE2-NEXT: [[CMP:%.*]] = icmp ne <2 x i64> [[X]], zeroinitializer
|
|
; SSE2-NEXT: [[TMP0:%.*]] = bitcast <2 x i1> [[CMP]] to i2
|
|
; SSE2-NEXT: [[DOTNOT:%.*]] = icmp eq i2 [[TMP0]], 0
|
|
; SSE2-NEXT: br i1 [[DOTNOT]], label [[LAND_RHS:%.*]], label [[LAND_END:%.*]]
|
|
; SSE2: land.rhs:
|
|
; SSE2-NEXT: [[CMP2:%.*]] = icmp ne <2 x i64> [[Y]], zeroinitializer
|
|
; SSE2-NEXT: [[TMP1:%.*]] = bitcast <2 x i1> [[CMP2]] to i2
|
|
; SSE2-NEXT: [[DOTNOT9:%.*]] = icmp eq i2 [[TMP1]], 0
|
|
; SSE2-NEXT: br label [[LAND_END]]
|
|
; SSE2: land.end:
|
|
; SSE2-NEXT: [[TMP2:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[DOTNOT9]], [[LAND_RHS]] ]
|
|
; SSE2-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
; SSE4-LABEL: define zeroext i1 @cmp128(
|
|
; SSE4-SAME: <2 x i64> [[X:%.*]], <2 x i64> [[Y:%.*]]) #[[ATTR0:[0-9]+]] {
|
|
; SSE4-NEXT: entry:
|
|
; SSE4-NEXT: [[CMP:%.*]] = icmp ne <2 x i64> [[X]], zeroinitializer
|
|
; SSE4-NEXT: [[TMP0:%.*]] = bitcast <2 x i1> [[CMP]] to i2
|
|
; SSE4-NEXT: [[DOTNOT:%.*]] = icmp eq i2 [[TMP0]], 0
|
|
; SSE4-NEXT: [[CMP2:%.*]] = icmp ne <2 x i64> [[Y]], zeroinitializer
|
|
; SSE4-NEXT: [[TMP1:%.*]] = bitcast <2 x i1> [[CMP2]] to i2
|
|
; SSE4-NEXT: [[DOTNOT9:%.*]] = icmp eq i2 [[TMP1]], 0
|
|
; SSE4-NEXT: [[TMP2:%.*]] = select i1 [[DOTNOT]], i1 [[DOTNOT9]], i1 false
|
|
; SSE4-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
; AVX-LABEL: define zeroext i1 @cmp128(
|
|
; AVX-SAME: <2 x i64> [[X:%.*]], <2 x i64> [[Y:%.*]]) #[[ATTR0:[0-9]+]] {
|
|
; AVX-NEXT: entry:
|
|
; AVX-NEXT: [[CMP:%.*]] = icmp ne <2 x i64> [[X]], zeroinitializer
|
|
; AVX-NEXT: [[TMP0:%.*]] = bitcast <2 x i1> [[CMP]] to i2
|
|
; AVX-NEXT: [[DOTNOT:%.*]] = icmp eq i2 [[TMP0]], 0
|
|
; AVX-NEXT: [[CMP2:%.*]] = icmp ne <2 x i64> [[Y]], zeroinitializer
|
|
; AVX-NEXT: [[TMP1:%.*]] = bitcast <2 x i1> [[CMP2]] to i2
|
|
; AVX-NEXT: [[DOTNOT9:%.*]] = icmp eq i2 [[TMP1]], 0
|
|
; AVX-NEXT: [[TMP2:%.*]] = select i1 [[DOTNOT]], i1 [[DOTNOT9]], i1 false
|
|
; AVX-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
entry:
|
|
%cmp = icmp ne <2 x i64> %x, zeroinitializer
|
|
%0 = bitcast <2 x i1> %cmp to i2
|
|
%.not = icmp eq i2 %0, 0
|
|
br i1 %.not, label %land.rhs, label %land.end
|
|
|
|
land.rhs:
|
|
%cmp2 = icmp ne <2 x i64> %y, zeroinitializer
|
|
%1 = bitcast <2 x i1> %cmp2 to i2
|
|
%.not9 = icmp eq i2 %1, 0
|
|
br label %land.end
|
|
|
|
land.end:
|
|
%2 = phi i1 [ false, %entry ], [ %.not9, %land.rhs ]
|
|
ret i1 %2
|
|
}
|
|
|
|
define zeroext i1 @cmp256(<4 x i64> %x, <4 x i64> %y) {
|
|
; SSE-LABEL: define zeroext i1 @cmp256(
|
|
; SSE-SAME: <4 x i64> [[X:%.*]], <4 x i64> [[Y:%.*]]) #[[ATTR0:[0-9]+]] {
|
|
; SSE-NEXT: entry:
|
|
; SSE-NEXT: [[CMP:%.*]] = icmp ne <4 x i64> [[X]], zeroinitializer
|
|
; SSE-NEXT: [[TMP0:%.*]] = bitcast <4 x i1> [[CMP]] to i4
|
|
; SSE-NEXT: [[DOTNOT:%.*]] = icmp eq i4 [[TMP0]], 0
|
|
; SSE-NEXT: br i1 [[DOTNOT]], label [[LAND_RHS:%.*]], label [[LAND_END:%.*]]
|
|
; SSE: land.rhs:
|
|
; SSE-NEXT: [[CMP2:%.*]] = icmp ne <4 x i64> [[Y]], zeroinitializer
|
|
; SSE-NEXT: [[TMP1:%.*]] = bitcast <4 x i1> [[CMP2]] to i4
|
|
; SSE-NEXT: [[DOTNOT9:%.*]] = icmp eq i4 [[TMP1]], 0
|
|
; SSE-NEXT: br label [[LAND_END]]
|
|
; SSE: land.end:
|
|
; SSE-NEXT: [[TMP2:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[DOTNOT9]], [[LAND_RHS]] ]
|
|
; SSE-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
; AVX-LABEL: define zeroext i1 @cmp256(
|
|
; AVX-SAME: <4 x i64> [[X:%.*]], <4 x i64> [[Y:%.*]]) #[[ATTR0]] {
|
|
; AVX-NEXT: entry:
|
|
; AVX-NEXT: [[CMP:%.*]] = icmp ne <4 x i64> [[X]], zeroinitializer
|
|
; AVX-NEXT: [[TMP0:%.*]] = bitcast <4 x i1> [[CMP]] to i4
|
|
; AVX-NEXT: [[DOTNOT:%.*]] = icmp eq i4 [[TMP0]], 0
|
|
; AVX-NEXT: [[CMP2:%.*]] = icmp ne <4 x i64> [[Y]], zeroinitializer
|
|
; AVX-NEXT: [[TMP1:%.*]] = bitcast <4 x i1> [[CMP2]] to i4
|
|
; AVX-NEXT: [[DOTNOT9:%.*]] = icmp eq i4 [[TMP1]], 0
|
|
; AVX-NEXT: [[TMP2:%.*]] = select i1 [[DOTNOT]], i1 [[DOTNOT9]], i1 false
|
|
; AVX-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
entry:
|
|
%cmp = icmp ne <4 x i64> %x, zeroinitializer
|
|
%0 = bitcast <4 x i1> %cmp to i4
|
|
%.not = icmp eq i4 %0, 0
|
|
br i1 %.not, label %land.rhs, label %land.end
|
|
|
|
land.rhs:
|
|
%cmp2 = icmp ne <4 x i64> %y, zeroinitializer
|
|
%1 = bitcast <4 x i1> %cmp2 to i4
|
|
%.not9 = icmp eq i4 %1, 0
|
|
br label %land.end
|
|
|
|
land.end:
|
|
%2 = phi i1 [ false, %entry ], [ %.not9, %land.rhs ]
|
|
ret i1 %2
|
|
}
|
|
|
|
define zeroext i1 @cmp512(<8 x i64> %x, <8 x i64> %y) {
|
|
; SSE-LABEL: define zeroext i1 @cmp512(
|
|
; SSE-SAME: <8 x i64> [[X:%.*]], <8 x i64> [[Y:%.*]]) #[[ATTR0]] {
|
|
; SSE-NEXT: entry:
|
|
; SSE-NEXT: [[CMP:%.*]] = icmp ne <8 x i64> [[X]], zeroinitializer
|
|
; SSE-NEXT: [[TMP0:%.*]] = bitcast <8 x i1> [[CMP]] to i8
|
|
; SSE-NEXT: [[DOTNOT:%.*]] = icmp eq i8 [[TMP0]], 0
|
|
; SSE-NEXT: br i1 [[DOTNOT]], label [[LAND_RHS:%.*]], label [[LAND_END:%.*]]
|
|
; SSE: land.rhs:
|
|
; SSE-NEXT: [[CMP2:%.*]] = icmp ne <8 x i64> [[Y]], zeroinitializer
|
|
; SSE-NEXT: [[TMP1:%.*]] = bitcast <8 x i1> [[CMP2]] to i8
|
|
; SSE-NEXT: [[DOTNOT9:%.*]] = icmp eq i8 [[TMP1]], 0
|
|
; SSE-NEXT: br label [[LAND_END]]
|
|
; SSE: land.end:
|
|
; SSE-NEXT: [[TMP2:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[DOTNOT9]], [[LAND_RHS]] ]
|
|
; SSE-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
; AVX2-LABEL: define zeroext i1 @cmp512(
|
|
; AVX2-SAME: <8 x i64> [[X:%.*]], <8 x i64> [[Y:%.*]]) #[[ATTR0]] {
|
|
; AVX2-NEXT: entry:
|
|
; AVX2-NEXT: [[CMP:%.*]] = icmp ne <8 x i64> [[X]], zeroinitializer
|
|
; AVX2-NEXT: [[TMP0:%.*]] = bitcast <8 x i1> [[CMP]] to i8
|
|
; AVX2-NEXT: [[DOTNOT:%.*]] = icmp eq i8 [[TMP0]], 0
|
|
; AVX2-NEXT: br i1 [[DOTNOT]], label [[LAND_RHS:%.*]], label [[LAND_END:%.*]]
|
|
; AVX2: land.rhs:
|
|
; AVX2-NEXT: [[CMP2:%.*]] = icmp ne <8 x i64> [[Y]], zeroinitializer
|
|
; AVX2-NEXT: [[TMP1:%.*]] = bitcast <8 x i1> [[CMP2]] to i8
|
|
; AVX2-NEXT: [[DOTNOT9:%.*]] = icmp eq i8 [[TMP1]], 0
|
|
; AVX2-NEXT: br label [[LAND_END]]
|
|
; AVX2: land.end:
|
|
; AVX2-NEXT: [[TMP2:%.*]] = phi i1 [ false, [[ENTRY:%.*]] ], [ [[DOTNOT9]], [[LAND_RHS]] ]
|
|
; AVX2-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
; AVX512-LABEL: define zeroext i1 @cmp512(
|
|
; AVX512-SAME: <8 x i64> [[X:%.*]], <8 x i64> [[Y:%.*]]) #[[ATTR0]] {
|
|
; AVX512-NEXT: entry:
|
|
; AVX512-NEXT: [[CMP:%.*]] = icmp ne <8 x i64> [[X]], zeroinitializer
|
|
; AVX512-NEXT: [[TMP0:%.*]] = bitcast <8 x i1> [[CMP]] to i8
|
|
; AVX512-NEXT: [[DOTNOT:%.*]] = icmp eq i8 [[TMP0]], 0
|
|
; AVX512-NEXT: [[CMP2:%.*]] = icmp ne <8 x i64> [[Y]], zeroinitializer
|
|
; AVX512-NEXT: [[TMP1:%.*]] = bitcast <8 x i1> [[CMP2]] to i8
|
|
; AVX512-NEXT: [[DOTNOT9:%.*]] = icmp eq i8 [[TMP1]], 0
|
|
; AVX512-NEXT: [[TMP2:%.*]] = select i1 [[DOTNOT]], i1 [[DOTNOT9]], i1 false
|
|
; AVX512-NEXT: ret i1 [[TMP2]]
|
|
;
|
|
entry:
|
|
%cmp = icmp ne <8 x i64> %x, zeroinitializer
|
|
%0 = bitcast <8 x i1> %cmp to i8
|
|
%.not = icmp eq i8 %0, 0
|
|
br i1 %.not, label %land.rhs, label %land.end
|
|
|
|
land.rhs:
|
|
%cmp2 = icmp ne <8 x i64> %y, zeroinitializer
|
|
%1 = bitcast <8 x i1> %cmp2 to i8
|
|
%.not9 = icmp eq i8 %1, 0
|
|
br label %land.end
|
|
|
|
land.end:
|
|
%2 = phi i1 [ false, %entry ], [ %.not9, %land.rhs ]
|
|
ret i1 %2
|
|
}
|