llvm-project/llvm/test/Transforms/InstCombine/sadd_sat.ll

504 lines
21 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
define i32 @sadd_sat32(i32 %a, i32 %b) {
; CHECK-LABEL: @sadd_sat32(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i32 @llvm.sadd.sat.i32(i32 [[B:%.*]], i32 [[A:%.*]])
; CHECK-NEXT: ret i32 [[TMP0]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i32 %b to i64
%add = add i64 %conv1, %conv
%0 = icmp slt i64 %add, 2147483647
%spec.store.select = select i1 %0, i64 %add, i64 2147483647
%1 = icmp sgt i64 %spec.store.select, -2147483648
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 -2147483648
%conv7 = trunc i64 %spec.store.select8 to i32
ret i32 %conv7
}
define i32 @ssub_sat32(i32 %a, i32 %b) {
; CHECK-LABEL: @ssub_sat32(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i32 @llvm.ssub.sat.i32(i32 [[A:%.*]], i32 [[B:%.*]])
; CHECK-NEXT: ret i32 [[TMP0]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i32 %b to i64
%sub = sub i64 %conv, %conv1
%0 = icmp slt i64 %sub, 2147483647
%spec.store.select = select i1 %0, i64 %sub, i64 2147483647
%1 = icmp sgt i64 %spec.store.select, -2147483648
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 -2147483648
%conv7 = trunc i64 %spec.store.select8 to i32
ret i32 %conv7
}
define i32 @smul_sat32(i32 %a, i32 %b) {
; CHECK-LABEL: @smul_sat32(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CONV:%.*]] = sext i32 [[A:%.*]] to i64
; CHECK-NEXT: [[CONV1:%.*]] = sext i32 [[B:%.*]] to i64
; CHECK-NEXT: [[ADD:%.*]] = mul nsw i64 [[CONV1]], [[CONV]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i64 [[ADD]], 2147483647
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[TMP0]], i64 [[ADD]], i64 2147483647
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i64 [[SPEC_STORE_SELECT]], -2147483648
; CHECK-NEXT: [[SPEC_STORE_SELECT8:%.*]] = select i1 [[TMP1]], i64 [[SPEC_STORE_SELECT]], i64 -2147483648
; CHECK-NEXT: [[CONV7:%.*]] = trunc i64 [[SPEC_STORE_SELECT8]] to i32
; CHECK-NEXT: ret i32 [[CONV7]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i32 %b to i64
%add = mul i64 %conv1, %conv
%0 = icmp slt i64 %add, 2147483647
%spec.store.select = select i1 %0, i64 %add, i64 2147483647
%1 = icmp sgt i64 %spec.store.select, -2147483648
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 -2147483648
%conv7 = trunc i64 %spec.store.select8 to i32
ret i32 %conv7
}
define signext i16 @sadd_sat16(i16 signext %a, i16 signext %b) {
; CHECK-LABEL: @sadd_sat16(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i16 @llvm.sadd.sat.i16(i16 [[B:%.*]], i16 [[A:%.*]])
; CHECK-NEXT: ret i16 [[TMP0]]
;
entry:
%conv = sext i16 %a to i32
%conv1 = sext i16 %b to i32
%add = add i32 %conv1, %conv
%0 = icmp slt i32 %add, 32767
%spec.store.select = select i1 %0, i32 %add, i32 32767
%1 = icmp sgt i32 %spec.store.select, -32768
%spec.store.select10 = select i1 %1, i32 %spec.store.select, i32 -32768
%conv9 = trunc i32 %spec.store.select10 to i16
ret i16 %conv9
}
define signext i16 @ssub_sat16(i16 signext %a, i16 signext %b) {
; CHECK-LABEL: @ssub_sat16(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i16 @llvm.ssub.sat.i16(i16 [[A:%.*]], i16 [[B:%.*]])
; CHECK-NEXT: ret i16 [[TMP0]]
;
entry:
%conv = sext i16 %a to i32
%conv1 = sext i16 %b to i32
%sub = sub i32 %conv, %conv1
%0 = icmp slt i32 %sub, 32767
%spec.store.select = select i1 %0, i32 %sub, i32 32767
%1 = icmp sgt i32 %spec.store.select, -32768
%spec.store.select10 = select i1 %1, i32 %spec.store.select, i32 -32768
%conv9 = trunc i32 %spec.store.select10 to i16
ret i16 %conv9
}
define signext i8 @sadd_sat8(i8 signext %a, i8 signext %b) {
; CHECK-LABEL: @sadd_sat8(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i8 @llvm.sadd.sat.i8(i8 [[B:%.*]], i8 [[A:%.*]])
; CHECK-NEXT: ret i8 [[TMP0]]
;
entry:
%conv = sext i8 %a to i32
%conv1 = sext i8 %b to i32
%add = add i32 %conv1, %conv
%0 = icmp slt i32 %add, 127
%spec.store.select = select i1 %0, i32 %add, i32 127
%1 = icmp sgt i32 %spec.store.select, -128
%spec.store.select10 = select i1 %1, i32 %spec.store.select, i32 -128
%conv9 = trunc i32 %spec.store.select10 to i8
ret i8 %conv9
}
define signext i8 @ssub_sat8(i8 signext %a, i8 signext %b) {
; CHECK-LABEL: @ssub_sat8(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i8 @llvm.ssub.sat.i8(i8 [[A:%.*]], i8 [[B:%.*]])
; CHECK-NEXT: ret i8 [[TMP0]]
;
entry:
%conv = sext i8 %a to i32
%conv1 = sext i8 %b to i32
%sub = sub i32 %conv, %conv1
%0 = icmp slt i32 %sub, 127
%spec.store.select = select i1 %0, i32 %sub, i32 127
%1 = icmp sgt i32 %spec.store.select, -128
%spec.store.select10 = select i1 %1, i32 %spec.store.select, i32 -128
%conv9 = trunc i32 %spec.store.select10 to i8
ret i8 %conv9
}
define signext i64 @sadd_sat64(i64 signext %a, i64 signext %b) {
; CHECK-LABEL: @sadd_sat64(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.sadd.sat.i64(i64 [[B:%.*]], i64 [[A:%.*]])
; CHECK-NEXT: ret i64 [[TMP0]]
;
entry:
%conv = sext i64 %a to i65
%conv1 = sext i64 %b to i65
%add = add i65 %conv1, %conv
%0 = icmp slt i65 %add, 9223372036854775807
%spec.store.select = select i1 %0, i65 %add, i65 9223372036854775807
%1 = icmp sgt i65 %spec.store.select, -9223372036854775808
%spec.store.select10 = select i1 %1, i65 %spec.store.select, i65 -9223372036854775808
%conv9 = trunc i65 %spec.store.select10 to i64
ret i64 %conv9
}
define signext i64 @ssub_sat64(i64 signext %a, i64 signext %b) {
; CHECK-LABEL: @ssub_sat64(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i64 @llvm.ssub.sat.i64(i64 [[A:%.*]], i64 [[B:%.*]])
; CHECK-NEXT: ret i64 [[TMP0]]
;
entry:
%conv = sext i64 %a to i65
%conv1 = sext i64 %b to i65
%sub = sub i65 %conv, %conv1
%0 = icmp slt i65 %sub, 9223372036854775807
%spec.store.select = select i1 %0, i65 %sub, i65 9223372036854775807
%1 = icmp sgt i65 %spec.store.select, -9223372036854775808
%spec.store.select10 = select i1 %1, i65 %spec.store.select, i65 -9223372036854775808
%conv9 = trunc i65 %spec.store.select10 to i64
ret i64 %conv9
}
define signext i4 @sadd_sat4(i4 signext %a, i4 signext %b) {
; CHECK-LABEL: @sadd_sat4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CONV:%.*]] = sext i4 [[A:%.*]] to i32
; CHECK-NEXT: [[CONV1:%.*]] = sext i4 [[B:%.*]] to i32
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[CONV1]], [[CONV]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i32 [[ADD]], 7
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[TMP0]], i32 [[ADD]], i32 7
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[SPEC_STORE_SELECT]], -8
; CHECK-NEXT: [[SPEC_STORE_SELECT10:%.*]] = select i1 [[TMP1]], i32 [[SPEC_STORE_SELECT]], i32 -8
; CHECK-NEXT: [[CONV9:%.*]] = trunc i32 [[SPEC_STORE_SELECT10]] to i4
; CHECK-NEXT: ret i4 [[CONV9]]
;
entry:
%conv = sext i4 %a to i32
%conv1 = sext i4 %b to i32
%add = add i32 %conv1, %conv
%0 = icmp slt i32 %add, 7
%spec.store.select = select i1 %0, i32 %add, i32 7
%1 = icmp sgt i32 %spec.store.select, -8
%spec.store.select10 = select i1 %1, i32 %spec.store.select, i32 -8
%conv9 = trunc i32 %spec.store.select10 to i4
ret i4 %conv9
}
define signext i4 @ssub_sat4(i4 signext %a, i4 signext %b) {
; CHECK-LABEL: @ssub_sat4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CONV:%.*]] = sext i4 [[A:%.*]] to i32
; CHECK-NEXT: [[CONV1:%.*]] = sext i4 [[B:%.*]] to i32
; CHECK-NEXT: [[SUB:%.*]] = sub nsw i32 [[CONV]], [[CONV1]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i32 [[SUB]], 7
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[TMP0]], i32 [[SUB]], i32 7
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[SPEC_STORE_SELECT]], -8
; CHECK-NEXT: [[SPEC_STORE_SELECT10:%.*]] = select i1 [[TMP1]], i32 [[SPEC_STORE_SELECT]], i32 -8
; CHECK-NEXT: [[CONV9:%.*]] = trunc i32 [[SPEC_STORE_SELECT10]] to i4
; CHECK-NEXT: ret i4 [[CONV9]]
;
entry:
%conv = sext i4 %a to i32
%conv1 = sext i4 %b to i32
%sub = sub i32 %conv, %conv1
%0 = icmp slt i32 %sub, 7
%spec.store.select = select i1 %0, i32 %sub, i32 7
%1 = icmp sgt i32 %spec.store.select, -8
%spec.store.select10 = select i1 %1, i32 %spec.store.select, i32 -8
%conv9 = trunc i32 %spec.store.select10 to i4
ret i4 %conv9
}
define <4 x i32> @sadd_satv4i32(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: @sadd_satv4i32(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call <4 x i32> @llvm.sadd.sat.v4i32(<4 x i32> [[B:%.*]], <4 x i32> [[A:%.*]])
; CHECK-NEXT: ret <4 x i32> [[TMP0]]
;
entry:
%conv = sext <4 x i32> %a to <4 x i64>
%conv1 = sext <4 x i32> %b to <4 x i64>
%add = add <4 x i64> %conv1, %conv
%0 = icmp slt <4 x i64> %add, <i64 2147483647, i64 2147483647, i64 2147483647, i64 2147483647>
%spec.store.select = select <4 x i1> %0, <4 x i64> %add, <4 x i64> <i64 2147483647, i64 2147483647, i64 2147483647, i64 2147483647>
%1 = icmp sgt <4 x i64> %spec.store.select, <i64 -2147483648, i64 -2147483648, i64 -2147483648, i64 -2147483648>
%spec.store.select8 = select <4 x i1> %1, <4 x i64> %spec.store.select, <4 x i64> <i64 -2147483648, i64 -2147483648, i64 -2147483648, i64 -2147483648>
%conv7 = trunc <4 x i64> %spec.store.select8 to <4 x i32>
ret <4 x i32> %conv7
}
define <4 x i32> @ssub_satv4i32(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: @ssub_satv4i32(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call <4 x i32> @llvm.ssub.sat.v4i32(<4 x i32> [[B:%.*]], <4 x i32> [[A:%.*]])
; CHECK-NEXT: ret <4 x i32> [[TMP0]]
;
entry:
%conv = sext <4 x i32> %a to <4 x i64>
%conv1 = sext <4 x i32> %b to <4 x i64>
%add = sub <4 x i64> %conv1, %conv
%0 = icmp slt <4 x i64> %add, <i64 2147483647, i64 2147483647, i64 2147483647, i64 2147483647>
%spec.store.select = select <4 x i1> %0, <4 x i64> %add, <4 x i64> <i64 2147483647, i64 2147483647, i64 2147483647, i64 2147483647>
%1 = icmp sgt <4 x i64> %spec.store.select, <i64 -2147483648, i64 -2147483648, i64 -2147483648, i64 -2147483648>
%spec.store.select8 = select <4 x i1> %1, <4 x i64> %spec.store.select, <4 x i64> <i64 -2147483648, i64 -2147483648, i64 -2147483648, i64 -2147483648>
%conv7 = trunc <4 x i64> %spec.store.select8 to <4 x i32>
ret <4 x i32> %conv7
}
define <4 x i32> @sadd_satv4i4(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: @sadd_satv4i4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD:%.*]] = add <4 x i32> [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt <4 x i32> [[ADD]], <i32 15, i32 15, i32 15, i32 15>
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select <4 x i1> [[TMP0]], <4 x i32> [[ADD]], <4 x i32> <i32 15, i32 15, i32 15, i32 15>
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt <4 x i32> [[SPEC_STORE_SELECT]], <i32 -16, i32 -16, i32 -16, i32 -16>
; CHECK-NEXT: [[SPEC_STORE_SELECT8:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[SPEC_STORE_SELECT]], <4 x i32> <i32 -16, i32 -16, i32 -16, i32 -16>
; CHECK-NEXT: ret <4 x i32> [[SPEC_STORE_SELECT8]]
;
entry:
%add = add <4 x i32> %a, %b
%0 = icmp slt <4 x i32> %add, <i32 15, i32 15, i32 15, i32 15>
%spec.store.select = select <4 x i1> %0, <4 x i32> %add, <4 x i32> <i32 15, i32 15, i32 15, i32 15>
%1 = icmp sgt <4 x i32> %spec.store.select, <i32 -16, i32 -16, i32 -16, i32 -16>
%spec.store.select8 = select <4 x i1> %1, <4 x i32> %spec.store.select, <4 x i32> <i32 -16, i32 -16, i32 -16, i32 -16>
ret <4 x i32> %spec.store.select8
}
define <4 x i32> @ssub_satv4i4(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: @ssub_satv4i4(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[ADD:%.*]] = sub <4 x i32> [[A:%.*]], [[B:%.*]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt <4 x i32> [[ADD]], <i32 15, i32 15, i32 15, i32 15>
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select <4 x i1> [[TMP0]], <4 x i32> [[ADD]], <4 x i32> <i32 15, i32 15, i32 15, i32 15>
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt <4 x i32> [[SPEC_STORE_SELECT]], <i32 -16, i32 -16, i32 -16, i32 -16>
; CHECK-NEXT: [[SPEC_STORE_SELECT8:%.*]] = select <4 x i1> [[TMP1]], <4 x i32> [[SPEC_STORE_SELECT]], <4 x i32> <i32 -16, i32 -16, i32 -16, i32 -16>
; CHECK-NEXT: ret <4 x i32> [[SPEC_STORE_SELECT8]]
;
entry:
%add = sub <4 x i32> %a, %b
%0 = icmp slt <4 x i32> %add, <i32 15, i32 15, i32 15, i32 15>
%spec.store.select = select <4 x i1> %0, <4 x i32> %add, <4 x i32> <i32 15, i32 15, i32 15, i32 15>
%1 = icmp sgt <4 x i32> %spec.store.select, <i32 -16, i32 -16, i32 -16, i32 -16>
%spec.store.select8 = select <4 x i1> %1, <4 x i32> %spec.store.select, <4 x i32> <i32 -16, i32 -16, i32 -16, i32 -16>
ret <4 x i32> %spec.store.select8
}
define i32 @sadd_sat32_extrause_1(i32 %a, i32 %b) {
; CHECK-LABEL: @sadd_sat32_extrause_1(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i32 @llvm.sadd.sat.i32(i32 [[B:%.*]], i32 [[A:%.*]])
; CHECK-NEXT: [[SPEC_STORE_SELECT8:%.*]] = sext i32 [[TMP0]] to i64
; CHECK-NEXT: call void @use64(i64 [[SPEC_STORE_SELECT8]])
; CHECK-NEXT: ret i32 [[TMP0]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i32 %b to i64
%add = add i64 %conv1, %conv
%0 = icmp slt i64 %add, 2147483647
%spec.store.select = select i1 %0, i64 %add, i64 2147483647
%1 = icmp sgt i64 %spec.store.select, -2147483648
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 -2147483648
%conv7 = trunc i64 %spec.store.select8 to i32
call void @use64(i64 %spec.store.select8)
ret i32 %conv7
}
define i32 @sadd_sat32_extrause_2(i32 %a, i32 %b) {
; CHECK-LABEL: @sadd_sat32_extrause_2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CONV:%.*]] = sext i32 [[A:%.*]] to i64
; CHECK-NEXT: [[CONV1:%.*]] = sext i32 [[B:%.*]] to i64
; CHECK-NEXT: [[ADD:%.*]] = add nsw i64 [[CONV1]], [[CONV]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i64 [[ADD]], 2147483647
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[TMP0]], i64 [[ADD]], i64 2147483647
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i64 [[SPEC_STORE_SELECT]], -2147483648
; CHECK-NEXT: [[SPEC_STORE_SELECT8:%.*]] = select i1 [[TMP1]], i64 [[SPEC_STORE_SELECT]], i64 -2147483648
; CHECK-NEXT: [[CONV7:%.*]] = trunc i64 [[SPEC_STORE_SELECT8]] to i32
; CHECK-NEXT: call void @use64(i64 [[SPEC_STORE_SELECT]])
; CHECK-NEXT: ret i32 [[CONV7]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i32 %b to i64
%add = add i64 %conv1, %conv
%0 = icmp slt i64 %add, 2147483647
%spec.store.select = select i1 %0, i64 %add, i64 2147483647
%1 = icmp sgt i64 %spec.store.select, -2147483648
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 -2147483648
%conv7 = trunc i64 %spec.store.select8 to i32
call void @use64(i64 %spec.store.select)
ret i32 %conv7
}
define i32 @sadd_sat32_extrause_3(i32 %a, i32 %b) {
; CHECK-LABEL: @sadd_sat32_extrause_3(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CONV:%.*]] = sext i32 [[A:%.*]] to i64
; CHECK-NEXT: [[CONV1:%.*]] = sext i32 [[B:%.*]] to i64
; CHECK-NEXT: [[ADD:%.*]] = add nsw i64 [[CONV1]], [[CONV]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i64 [[ADD]], 2147483647
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[TMP0]], i64 [[ADD]], i64 2147483647
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i64 [[SPEC_STORE_SELECT]], -2147483648
; CHECK-NEXT: [[SPEC_STORE_SELECT8:%.*]] = select i1 [[TMP1]], i64 [[SPEC_STORE_SELECT]], i64 -2147483648
; CHECK-NEXT: [[CONV7:%.*]] = trunc i64 [[SPEC_STORE_SELECT8]] to i32
; CHECK-NEXT: call void @use64(i64 [[ADD]])
; CHECK-NEXT: ret i32 [[CONV7]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i32 %b to i64
%add = add i64 %conv1, %conv
%0 = icmp slt i64 %add, 2147483647
%spec.store.select = select i1 %0, i64 %add, i64 2147483647
%1 = icmp sgt i64 %spec.store.select, -2147483648
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 -2147483648
%conv7 = trunc i64 %spec.store.select8 to i32
call void @use64(i64 %add)
ret i32 %conv7
}
define i32 @sadd_sat32_trunc(i32 %a, i32 %b) {
; CHECK-LABEL: @sadd_sat32_trunc(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CONV:%.*]] = sext i32 [[A:%.*]] to i64
; CHECK-NEXT: [[CONV1:%.*]] = sext i32 [[B:%.*]] to i64
; CHECK-NEXT: [[ADD:%.*]] = add nsw i64 [[CONV1]], [[CONV]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i64 [[ADD]], 32767
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[TMP0]], i64 [[ADD]], i64 32767
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i64 [[SPEC_STORE_SELECT]], -32768
; CHECK-NEXT: [[SPEC_STORE_SELECT8:%.*]] = select i1 [[TMP1]], i64 [[SPEC_STORE_SELECT]], i64 -32768
; CHECK-NEXT: [[CONV7:%.*]] = trunc i64 [[SPEC_STORE_SELECT8]] to i32
; CHECK-NEXT: ret i32 [[CONV7]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i32 %b to i64
%add = add i64 %conv1, %conv
%0 = icmp slt i64 %add, 32767
%spec.store.select = select i1 %0, i64 %add, i64 32767
%1 = icmp sgt i64 %spec.store.select, -32768
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 -32768
%conv7 = trunc i64 %spec.store.select8 to i32
ret i32 %conv7
}
define i32 @sadd_sat32_ext16(i32 %a, i16 %b) {
; CHECK-LABEL: @sadd_sat32_ext16(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = sext i16 [[B:%.*]] to i32
; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.sadd.sat.i32(i32 [[TMP0]], i32 [[A:%.*]])
; CHECK-NEXT: ret i32 [[TMP1]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i16 %b to i64
%add = add i64 %conv1, %conv
%0 = icmp slt i64 %add, 2147483647
%spec.store.select = select i1 %0, i64 %add, i64 2147483647
%1 = icmp sgt i64 %spec.store.select, -2147483648
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 -2147483648
%conv7 = trunc i64 %spec.store.select8 to i32
ret i32 %conv7
}
define i8 @sadd_sat8_ext8(i8 %a, i16 %b) {
; CHECK-LABEL: @sadd_sat8_ext8(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CONV:%.*]] = sext i8 [[A:%.*]] to i32
; CHECK-NEXT: [[CONV1:%.*]] = sext i16 [[B:%.*]] to i32
; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[CONV1]], [[CONV]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp slt i32 [[ADD]], 127
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[TMP0]], i32 [[ADD]], i32 127
; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[SPEC_STORE_SELECT]], -128
; CHECK-NEXT: [[SPEC_STORE_SELECT8:%.*]] = select i1 [[TMP1]], i32 [[SPEC_STORE_SELECT]], i32 -128
; CHECK-NEXT: [[CONV7:%.*]] = trunc i32 [[SPEC_STORE_SELECT8]] to i8
; CHECK-NEXT: ret i8 [[CONV7]]
;
entry:
%conv = sext i8 %a to i32
%conv1 = sext i16 %b to i32
%add = add i32 %conv1, %conv
%0 = icmp slt i32 %add, 127
%spec.store.select = select i1 %0, i32 %add, i32 127
%1 = icmp sgt i32 %spec.store.select, -128
%spec.store.select8 = select i1 %1, i32 %spec.store.select, i32 -128
%conv7 = trunc i32 %spec.store.select8 to i8
ret i8 %conv7
}
define i32 @sadd_sat32_zext(i32 %a, i32 %b) {
; CHECK-LABEL: @sadd_sat32_zext(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[CONV:%.*]] = zext i32 [[A:%.*]] to i64
; CHECK-NEXT: [[CONV1:%.*]] = zext i32 [[B:%.*]] to i64
; CHECK-NEXT: [[ADD:%.*]] = add nuw nsw i64 [[CONV1]], [[CONV]]
; CHECK-NEXT: [[TMP0:%.*]] = icmp ult i64 [[ADD]], 2147483647
; CHECK-NEXT: [[SPEC_STORE_SELECT:%.*]] = select i1 [[TMP0]], i64 [[ADD]], i64 2147483647
; CHECK-NEXT: [[CONV7:%.*]] = trunc i64 [[SPEC_STORE_SELECT]] to i32
; CHECK-NEXT: ret i32 [[CONV7]]
;
entry:
%conv = zext i32 %a to i64
%conv1 = zext i32 %b to i64
%add = add i64 %conv1, %conv
%0 = icmp slt i64 %add, 2147483647
%spec.store.select = select i1 %0, i64 %add, i64 2147483647
%1 = icmp sgt i64 %spec.store.select, -2147483648
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 -2147483648
%conv7 = trunc i64 %spec.store.select8 to i32
ret i32 %conv7
}
define i32 @sadd_sat32_maxmin(i32 %a, i32 %b) {
; CHECK-LABEL: @sadd_sat32_maxmin(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i32 @llvm.sadd.sat.i32(i32 [[B:%.*]], i32 [[A:%.*]])
; CHECK-NEXT: ret i32 [[TMP0]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i32 %b to i64
%add = add i64 %conv1, %conv
%0 = icmp sgt i64 %add, -2147483648
%spec.store.select = select i1 %0, i64 %add, i64 -2147483648
%1 = icmp slt i64 %spec.store.select, 2147483647
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 2147483647
%conv7 = trunc i64 %spec.store.select8 to i32
ret i32 %conv7
}
define i64 @sadd_sat32_notrunc(i32 %a, i32 %b) {
; CHECK-LABEL: @sadd_sat32_notrunc(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = call i32 @llvm.sadd.sat.i32(i32 [[B:%.*]], i32 [[A:%.*]])
; CHECK-NEXT: [[SPEC_STORE_SELECT8:%.*]] = sext i32 [[TMP0]] to i64
; CHECK-NEXT: ret i64 [[SPEC_STORE_SELECT8]]
;
entry:
%conv = sext i32 %a to i64
%conv1 = sext i32 %b to i64
%add = add i64 %conv1, %conv
%0 = icmp sgt i64 %add, -2147483648
%spec.store.select = select i1 %0, i64 %add, i64 -2147483648
%1 = icmp slt i64 %spec.store.select, 2147483647
%spec.store.select8 = select i1 %1, i64 %spec.store.select, i64 2147483647
ret i64 %spec.store.select8
}
declare void @use64(i64)