; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=riscv32 -mattr=+m | FileCheck %s --check-prefix=RV32I ; RUN: llc < %s -mtriple=riscv64 -mattr=+m | FileCheck %s --check-prefix=RV64I ; RUN: llc < %s -mtriple=riscv32 -mattr=+m,+zbb | FileCheck %s --check-prefixes=RV32IZbb,RV32IZbbNOZbt ; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+zbb | FileCheck %s --check-prefixes=RV64IZbb,RV64IZbbNOZbt ; RUN: llc < %s -mtriple=riscv32 -mattr=+m,+zbb,+experimental-zbt | FileCheck %s --check-prefixes=RV32IZbb,RV32IZbbZbt ; RUN: llc < %s -mtriple=riscv64 -mattr=+m,+zbb,+experimental-zbt | FileCheck %s --check-prefixes=RV64IZbb,RV64IZbbZbt declare i4 @llvm.sadd.sat.i4(i4, i4) declare i8 @llvm.sadd.sat.i8(i8, i8) declare i16 @llvm.sadd.sat.i16(i16, i16) declare i32 @llvm.sadd.sat.i32(i32, i32) declare i64 @llvm.sadd.sat.i64(i64, i64) define signext i32 @func(i32 signext %x, i32 signext %y) nounwind { ; RV32I-LABEL: func: ; RV32I: # %bb.0: ; RV32I-NEXT: mv a2, a0 ; RV32I-NEXT: add a0, a0, a1 ; RV32I-NEXT: slt a2, a0, a2 ; RV32I-NEXT: slti a1, a1, 0 ; RV32I-NEXT: beq a1, a2, .LBB0_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: srai a0, a0, 31 ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: xor a0, a0, a1 ; RV32I-NEXT: .LBB0_2: ; RV32I-NEXT: ret ; ; RV64I-LABEL: func: ; RV64I: # %bb.0: ; RV64I-NEXT: add a0, a0, a1 ; RV64I-NEXT: lui a1, 524288 ; RV64I-NEXT: addiw a2, a1, -1 ; RV64I-NEXT: bge a0, a2, .LBB0_3 ; RV64I-NEXT: # %bb.1: ; RV64I-NEXT: bge a1, a0, .LBB0_4 ; RV64I-NEXT: .LBB0_2: ; RV64I-NEXT: ret ; RV64I-NEXT: .LBB0_3: ; RV64I-NEXT: mv a0, a2 ; RV64I-NEXT: blt a1, a0, .LBB0_2 ; RV64I-NEXT: .LBB0_4: ; RV64I-NEXT: lui a0, 524288 ; RV64I-NEXT: ret ; ; RV32IZbbNOZbt-LABEL: func: ; RV32IZbbNOZbt: # %bb.0: ; RV32IZbbNOZbt-NEXT: mv a2, a0 ; RV32IZbbNOZbt-NEXT: add a0, a0, a1 ; RV32IZbbNOZbt-NEXT: slt a2, a0, a2 ; RV32IZbbNOZbt-NEXT: slti a1, a1, 0 ; RV32IZbbNOZbt-NEXT: beq a1, a2, .LBB0_2 ; RV32IZbbNOZbt-NEXT: # %bb.1: ; RV32IZbbNOZbt-NEXT: srai a0, a0, 31 ; RV32IZbbNOZbt-NEXT: lui a1, 524288 ; RV32IZbbNOZbt-NEXT: xor a0, a0, a1 ; RV32IZbbNOZbt-NEXT: .LBB0_2: ; RV32IZbbNOZbt-NEXT: ret ; ; RV64IZbb-LABEL: func: ; RV64IZbb: # %bb.0: ; RV64IZbb-NEXT: add a0, a0, a1 ; RV64IZbb-NEXT: lui a1, 524288 ; RV64IZbb-NEXT: addiw a2, a1, -1 ; RV64IZbb-NEXT: min a0, a0, a2 ; RV64IZbb-NEXT: max a0, a0, a1 ; RV64IZbb-NEXT: ret ; ; RV32IZbbZbt-LABEL: func: ; RV32IZbbZbt: # %bb.0: ; RV32IZbbZbt-NEXT: add a2, a0, a1 ; RV32IZbbZbt-NEXT: slt a0, a2, a0 ; RV32IZbbZbt-NEXT: slti a1, a1, 0 ; RV32IZbbZbt-NEXT: xor a0, a1, a0 ; RV32IZbbZbt-NEXT: srai a1, a2, 31 ; RV32IZbbZbt-NEXT: lui a3, 524288 ; RV32IZbbZbt-NEXT: xor a1, a1, a3 ; RV32IZbbZbt-NEXT: cmov a0, a0, a1, a2 ; RV32IZbbZbt-NEXT: ret %tmp = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %y); ret i32 %tmp; } define i64 @func2(i64 %x, i64 %y) nounwind { ; RV32I-LABEL: func2: ; RV32I: # %bb.0: ; RV32I-NEXT: mv a4, a1 ; RV32I-NEXT: mv a1, a0 ; RV32I-NEXT: add a5, a4, a3 ; RV32I-NEXT: add a0, a0, a2 ; RV32I-NEXT: sltu a1, a0, a1 ; RV32I-NEXT: add a1, a5, a1 ; RV32I-NEXT: xor a2, a4, a1 ; RV32I-NEXT: xor a3, a4, a3 ; RV32I-NEXT: not a3, a3 ; RV32I-NEXT: and a2, a3, a2 ; RV32I-NEXT: bgez a2, .LBB1_2 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: srai a0, a1, 31 ; RV32I-NEXT: lui a1, 524288 ; RV32I-NEXT: xor a1, a0, a1 ; RV32I-NEXT: .LBB1_2: ; RV32I-NEXT: ret ; ; RV64I-LABEL: func2: ; RV64I: # %bb.0: ; RV64I-NEXT: mv a2, a0 ; RV64I-NEXT: add a0, a0, a1 ; RV64I-NEXT: slt a2, a0, a2 ; RV64I-NEXT: slti a1, a1, 0 ; RV64I-NEXT: beq a1, a2, .LBB1_2 ; RV64I-NEXT: # %bb.1: ; RV64I-NEXT: srai a0, a0, 63 ; RV64I-NEXT: li a1, -1 ; RV64I-NEXT: slli a1, a1, 63 ; RV64I-NEXT: xor a0, a0, a1 ; RV64I-NEXT: .LBB1_2: ; RV64I-NEXT: ret ; ; RV32IZbbNOZbt-LABEL: func2: ; RV32IZbbNOZbt: # %bb.0: ; RV32IZbbNOZbt-NEXT: mv a4, a1 ; RV32IZbbNOZbt-NEXT: mv a1, a0 ; RV32IZbbNOZbt-NEXT: add a5, a4, a3 ; RV32IZbbNOZbt-NEXT: add a0, a0, a2 ; RV32IZbbNOZbt-NEXT: sltu a1, a0, a1 ; RV32IZbbNOZbt-NEXT: add a1, a5, a1 ; RV32IZbbNOZbt-NEXT: xor a2, a4, a1 ; RV32IZbbNOZbt-NEXT: xor a3, a4, a3 ; RV32IZbbNOZbt-NEXT: andn a2, a2, a3 ; RV32IZbbNOZbt-NEXT: bgez a2, .LBB1_2 ; RV32IZbbNOZbt-NEXT: # %bb.1: ; RV32IZbbNOZbt-NEXT: srai a0, a1, 31 ; RV32IZbbNOZbt-NEXT: lui a1, 524288 ; RV32IZbbNOZbt-NEXT: xor a1, a0, a1 ; RV32IZbbNOZbt-NEXT: .LBB1_2: ; RV32IZbbNOZbt-NEXT: ret ; ; RV64IZbbNOZbt-LABEL: func2: ; RV64IZbbNOZbt: # %bb.0: ; RV64IZbbNOZbt-NEXT: mv a2, a0 ; RV64IZbbNOZbt-NEXT: add a0, a0, a1 ; RV64IZbbNOZbt-NEXT: slt a2, a0, a2 ; RV64IZbbNOZbt-NEXT: slti a1, a1, 0 ; RV64IZbbNOZbt-NEXT: beq a1, a2, .LBB1_2 ; RV64IZbbNOZbt-NEXT: # %bb.1: ; RV64IZbbNOZbt-NEXT: srai a0, a0, 63 ; RV64IZbbNOZbt-NEXT: li a1, -1 ; RV64IZbbNOZbt-NEXT: slli a1, a1, 63 ; RV64IZbbNOZbt-NEXT: xor a0, a0, a1 ; RV64IZbbNOZbt-NEXT: .LBB1_2: ; RV64IZbbNOZbt-NEXT: ret ; ; RV32IZbbZbt-LABEL: func2: ; RV32IZbbZbt: # %bb.0: ; RV32IZbbZbt-NEXT: add a4, a1, a3 ; RV32IZbbZbt-NEXT: add a2, a0, a2 ; RV32IZbbZbt-NEXT: sltu a0, a2, a0 ; RV32IZbbZbt-NEXT: add a0, a4, a0 ; RV32IZbbZbt-NEXT: srai a4, a0, 31 ; RV32IZbbZbt-NEXT: lui a5, 524288 ; RV32IZbbZbt-NEXT: xor a5, a4, a5 ; RV32IZbbZbt-NEXT: xor a6, a1, a0 ; RV32IZbbZbt-NEXT: xor a1, a1, a3 ; RV32IZbbZbt-NEXT: andn a1, a6, a1 ; RV32IZbbZbt-NEXT: slti a3, a1, 0 ; RV32IZbbZbt-NEXT: cmov a1, a3, a5, a0 ; RV32IZbbZbt-NEXT: cmov a0, a3, a4, a2 ; RV32IZbbZbt-NEXT: ret ; ; RV64IZbbZbt-LABEL: func2: ; RV64IZbbZbt: # %bb.0: ; RV64IZbbZbt-NEXT: add a2, a0, a1 ; RV64IZbbZbt-NEXT: slt a0, a2, a0 ; RV64IZbbZbt-NEXT: slti a1, a1, 0 ; RV64IZbbZbt-NEXT: xor a0, a1, a0 ; RV64IZbbZbt-NEXT: srai a1, a2, 63 ; RV64IZbbZbt-NEXT: li a3, -1 ; RV64IZbbZbt-NEXT: slli a3, a3, 63 ; RV64IZbbZbt-NEXT: xor a1, a1, a3 ; RV64IZbbZbt-NEXT: cmov a0, a0, a1, a2 ; RV64IZbbZbt-NEXT: ret %tmp = call i64 @llvm.sadd.sat.i64(i64 %x, i64 %y); ret i64 %tmp; } define signext i16 @func16(i16 signext %x, i16 signext %y) nounwind { ; RV32I-LABEL: func16: ; RV32I: # %bb.0: ; RV32I-NEXT: add a0, a0, a1 ; RV32I-NEXT: lui a1, 8 ; RV32I-NEXT: addi a1, a1, -1 ; RV32I-NEXT: bge a0, a1, .LBB2_3 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: lui a1, 1048568 ; RV32I-NEXT: bge a1, a0, .LBB2_4 ; RV32I-NEXT: .LBB2_2: ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB2_3: ; RV32I-NEXT: mv a0, a1 ; RV32I-NEXT: lui a1, 1048568 ; RV32I-NEXT: blt a1, a0, .LBB2_2 ; RV32I-NEXT: .LBB2_4: ; RV32I-NEXT: lui a0, 1048568 ; RV32I-NEXT: ret ; ; RV64I-LABEL: func16: ; RV64I: # %bb.0: ; RV64I-NEXT: add a0, a0, a1 ; RV64I-NEXT: lui a1, 8 ; RV64I-NEXT: addiw a1, a1, -1 ; RV64I-NEXT: bge a0, a1, .LBB2_3 ; RV64I-NEXT: # %bb.1: ; RV64I-NEXT: lui a1, 1048568 ; RV64I-NEXT: bge a1, a0, .LBB2_4 ; RV64I-NEXT: .LBB2_2: ; RV64I-NEXT: ret ; RV64I-NEXT: .LBB2_3: ; RV64I-NEXT: mv a0, a1 ; RV64I-NEXT: lui a1, 1048568 ; RV64I-NEXT: blt a1, a0, .LBB2_2 ; RV64I-NEXT: .LBB2_4: ; RV64I-NEXT: lui a0, 1048568 ; RV64I-NEXT: ret ; ; RV32IZbb-LABEL: func16: ; RV32IZbb: # %bb.0: ; RV32IZbb-NEXT: add a0, a0, a1 ; RV32IZbb-NEXT: lui a1, 8 ; RV32IZbb-NEXT: addi a1, a1, -1 ; RV32IZbb-NEXT: min a0, a0, a1 ; RV32IZbb-NEXT: lui a1, 1048568 ; RV32IZbb-NEXT: max a0, a0, a1 ; RV32IZbb-NEXT: ret ; ; RV64IZbb-LABEL: func16: ; RV64IZbb: # %bb.0: ; RV64IZbb-NEXT: add a0, a0, a1 ; RV64IZbb-NEXT: lui a1, 8 ; RV64IZbb-NEXT: addiw a1, a1, -1 ; RV64IZbb-NEXT: min a0, a0, a1 ; RV64IZbb-NEXT: lui a1, 1048568 ; RV64IZbb-NEXT: max a0, a0, a1 ; RV64IZbb-NEXT: ret %tmp = call i16 @llvm.sadd.sat.i16(i16 %x, i16 %y); ret i16 %tmp; } define signext i8 @func8(i8 signext %x, i8 signext %y) nounwind { ; RV32I-LABEL: func8: ; RV32I: # %bb.0: ; RV32I-NEXT: add a0, a0, a1 ; RV32I-NEXT: li a1, 127 ; RV32I-NEXT: bge a0, a1, .LBB3_3 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: li a1, -128 ; RV32I-NEXT: bge a1, a0, .LBB3_4 ; RV32I-NEXT: .LBB3_2: ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB3_3: ; RV32I-NEXT: li a0, 127 ; RV32I-NEXT: li a1, -128 ; RV32I-NEXT: blt a1, a0, .LBB3_2 ; RV32I-NEXT: .LBB3_4: ; RV32I-NEXT: li a0, -128 ; RV32I-NEXT: ret ; ; RV64I-LABEL: func8: ; RV64I: # %bb.0: ; RV64I-NEXT: add a0, a0, a1 ; RV64I-NEXT: li a1, 127 ; RV64I-NEXT: bge a0, a1, .LBB3_3 ; RV64I-NEXT: # %bb.1: ; RV64I-NEXT: li a1, -128 ; RV64I-NEXT: bge a1, a0, .LBB3_4 ; RV64I-NEXT: .LBB3_2: ; RV64I-NEXT: ret ; RV64I-NEXT: .LBB3_3: ; RV64I-NEXT: li a0, 127 ; RV64I-NEXT: li a1, -128 ; RV64I-NEXT: blt a1, a0, .LBB3_2 ; RV64I-NEXT: .LBB3_4: ; RV64I-NEXT: li a0, -128 ; RV64I-NEXT: ret ; ; RV32IZbb-LABEL: func8: ; RV32IZbb: # %bb.0: ; RV32IZbb-NEXT: add a0, a0, a1 ; RV32IZbb-NEXT: li a1, 127 ; RV32IZbb-NEXT: min a0, a0, a1 ; RV32IZbb-NEXT: li a1, -128 ; RV32IZbb-NEXT: max a0, a0, a1 ; RV32IZbb-NEXT: ret ; ; RV64IZbb-LABEL: func8: ; RV64IZbb: # %bb.0: ; RV64IZbb-NEXT: add a0, a0, a1 ; RV64IZbb-NEXT: li a1, 127 ; RV64IZbb-NEXT: min a0, a0, a1 ; RV64IZbb-NEXT: li a1, -128 ; RV64IZbb-NEXT: max a0, a0, a1 ; RV64IZbb-NEXT: ret %tmp = call i8 @llvm.sadd.sat.i8(i8 %x, i8 %y); ret i8 %tmp; } define signext i4 @func3(i4 signext %x, i4 signext %y) nounwind { ; RV32I-LABEL: func3: ; RV32I: # %bb.0: ; RV32I-NEXT: add a0, a0, a1 ; RV32I-NEXT: li a1, 7 ; RV32I-NEXT: bge a0, a1, .LBB4_3 ; RV32I-NEXT: # %bb.1: ; RV32I-NEXT: li a1, -8 ; RV32I-NEXT: bge a1, a0, .LBB4_4 ; RV32I-NEXT: .LBB4_2: ; RV32I-NEXT: ret ; RV32I-NEXT: .LBB4_3: ; RV32I-NEXT: li a0, 7 ; RV32I-NEXT: li a1, -8 ; RV32I-NEXT: blt a1, a0, .LBB4_2 ; RV32I-NEXT: .LBB4_4: ; RV32I-NEXT: li a0, -8 ; RV32I-NEXT: ret ; ; RV64I-LABEL: func3: ; RV64I: # %bb.0: ; RV64I-NEXT: add a0, a0, a1 ; RV64I-NEXT: li a1, 7 ; RV64I-NEXT: bge a0, a1, .LBB4_3 ; RV64I-NEXT: # %bb.1: ; RV64I-NEXT: li a1, -8 ; RV64I-NEXT: bge a1, a0, .LBB4_4 ; RV64I-NEXT: .LBB4_2: ; RV64I-NEXT: ret ; RV64I-NEXT: .LBB4_3: ; RV64I-NEXT: li a0, 7 ; RV64I-NEXT: li a1, -8 ; RV64I-NEXT: blt a1, a0, .LBB4_2 ; RV64I-NEXT: .LBB4_4: ; RV64I-NEXT: li a0, -8 ; RV64I-NEXT: ret ; ; RV32IZbb-LABEL: func3: ; RV32IZbb: # %bb.0: ; RV32IZbb-NEXT: add a0, a0, a1 ; RV32IZbb-NEXT: li a1, 7 ; RV32IZbb-NEXT: min a0, a0, a1 ; RV32IZbb-NEXT: li a1, -8 ; RV32IZbb-NEXT: max a0, a0, a1 ; RV32IZbb-NEXT: ret ; ; RV64IZbb-LABEL: func3: ; RV64IZbb: # %bb.0: ; RV64IZbb-NEXT: add a0, a0, a1 ; RV64IZbb-NEXT: li a1, 7 ; RV64IZbb-NEXT: min a0, a0, a1 ; RV64IZbb-NEXT: li a1, -8 ; RV64IZbb-NEXT: max a0, a0, a1 ; RV64IZbb-NEXT: ret %tmp = call i4 @llvm.sadd.sat.i4(i4 %x, i4 %y); ret i4 %tmp; }