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|
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
; These test how the immediate in an addition is materialized.
define i32 @add_positive_low_bound_reject(i32 %a) nounwind {
; RV32I-LABEL: add_positive_low_bound_reject:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, 2047
; RV32I-NEXT: ret
;
; RV64I-LABEL: add_positive_low_bound_reject:
; RV64I: # %bb.0:
; RV64I-NEXT: addiw a0, a0, 2047
; RV64I-NEXT: ret
%1 = add i32 %a, 2047
ret i32 %1
}
define i32 @add_positive_low_bound_accept(i32 %a) nounwind {
; RV32I-LABEL: add_positive_low_bound_accept:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, 2047
; RV32I-NEXT: addi a0, a0, 1
; RV32I-NEXT: ret
;
; RV64I-LABEL: add_positive_low_bound_accept:
; RV64I: # %bb.0:
; RV64I-NEXT: addi a0, a0, 2047
; RV64I-NEXT: addiw a0, a0, 1
; RV64I-NEXT: ret
%1 = add i32 %a, 2048
ret i32 %1
}
define i32 @add_positive_high_bound_accept(i32 %a) nounwind {
; RV32I-LABEL: add_positive_high_bound_accept:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, 2047
; RV32I-NEXT: addi a0, a0, 2047
; RV32I-NEXT: ret
;
; RV64I-LABEL: add_positive_high_bound_accept:
; RV64I: # %bb.0:
; RV64I-NEXT: addi a0, a0, 2047
; RV64I-NEXT: addiw a0, a0, 2047
; RV64I-NEXT: ret
%1 = add i32 %a, 4094
ret i32 %1
}
define i32 @add_positive_high_bound_reject(i32 %a) nounwind {
; RV32I-LABEL: add_positive_high_bound_reject:
; RV32I: # %bb.0:
; RV32I-NEXT: lui a1, 1
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: ret
;
; RV64I-LABEL: add_positive_high_bound_reject:
; RV64I: # %bb.0:
; RV64I-NEXT: lui a1, 1
; RV64I-NEXT: addi a1, a1, -1
; RV64I-NEXT: addw a0, a0, a1
; RV64I-NEXT: ret
%1 = add i32 %a, 4095
ret i32 %1
}
define i32 @add_negative_high_bound_reject(i32 %a) nounwind {
; RV32I-LABEL: add_negative_high_bound_reject:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, -2048
; RV32I-NEXT: ret
;
; RV64I-LABEL: add_negative_high_bound_reject:
; RV64I: # %bb.0:
; RV64I-NEXT: addiw a0, a0, -2048
; RV64I-NEXT: ret
%1 = add i32 %a, -2048
ret i32 %1
}
define i32 @add_negative_high_bound_accept(i32 %a) nounwind {
; RV32I-LABEL: add_negative_high_bound_accept:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, -2048
; RV32I-NEXT: addi a0, a0, -1
; RV32I-NEXT: ret
;
; RV64I-LABEL: add_negative_high_bound_accept:
; RV64I: # %bb.0:
; RV64I-NEXT: addi a0, a0, -2048
; RV64I-NEXT: addiw a0, a0, -1
; RV64I-NEXT: ret
%1 = add i32 %a, -2049
ret i32 %1
}
define i32 @add_negative_low_bound_accept(i32 %a) nounwind {
; RV32I-LABEL: add_negative_low_bound_accept:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, -2048
; RV32I-NEXT: addi a0, a0, -2048
; RV32I-NEXT: ret
;
; RV64I-LABEL: add_negative_low_bound_accept:
; RV64I: # %bb.0:
; RV64I-NEXT: addi a0, a0, -2048
; RV64I-NEXT: addiw a0, a0, -2048
; RV64I-NEXT: ret
%1 = add i32 %a, -4096
ret i32 %1
}
define i32 @add_negative_low_bound_reject(i32 %a) nounwind {
; RV32I-LABEL: add_negative_low_bound_reject:
; RV32I: # %bb.0:
; RV32I-NEXT: lui a1, 1048575
; RV32I-NEXT: addi a1, a1, -1
; RV32I-NEXT: add a0, a0, a1
; RV32I-NEXT: ret
;
; RV64I-LABEL: add_negative_low_bound_reject:
; RV64I: # %bb.0:
; RV64I-NEXT: lui a1, 1048575
; RV64I-NEXT: addi a1, a1, -1
; RV64I-NEXT: addw a0, a0, a1
; RV64I-NEXT: ret
%1 = add i32 %a, -4097
ret i32 %1
}
define i32 @add32_accept(i32 %a) nounwind {
; RV32I-LABEL: add32_accept:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, 2047
; RV32I-NEXT: addi a0, a0, 952
; RV32I-NEXT: ret
;
; RV64I-LABEL: add32_accept:
; RV64I: # %bb.0:
; RV64I-NEXT: addi a0, a0, 2047
; RV64I-NEXT: addiw a0, a0, 952
; RV64I-NEXT: ret
%1 = add i32 %a, 2999
ret i32 %1
}
define signext i32 @add32_sext_accept(i32 signext %a) nounwind {
; RV32I-LABEL: add32_sext_accept:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, 2047
; RV32I-NEXT: addi a0, a0, 952
; RV32I-NEXT: ret
;
; RV64I-LABEL: add32_sext_accept:
; RV64I: # %bb.0:
; RV64I-NEXT: addi a0, a0, 2047
; RV64I-NEXT: addiw a0, a0, 952
; RV64I-NEXT: ret
%1 = add i32 %a, 2999
ret i32 %1
}
@gv0 = global i32 0, align 4
define signext i32 @add32_sext_reject_on_rv64(i32 signext %a) nounwind {
; RV32I-LABEL: add32_sext_reject_on_rv64:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, 2047
; RV32I-NEXT: addi a0, a0, 953
; RV32I-NEXT: lui a1, %hi(gv0)
; RV32I-NEXT: sw a0, %lo(gv0)(a1)
; RV32I-NEXT: ret
;
; RV64I-LABEL: add32_sext_reject_on_rv64:
; RV64I: # %bb.0:
; RV64I-NEXT: addi a0, a0, 2047
; RV64I-NEXT: addiw a0, a0, 953
; RV64I-NEXT: lui a1, %hi(gv0)
; RV64I-NEXT: sw a0, %lo(gv0)(a1)
; RV64I-NEXT: ret
%b = add nsw i32 %a, 3000
store i32 %b, ptr @gv0, align 4
ret i32 %b
}
define i64 @add64_accept(i64 %a) nounwind {
; RV32I-LABEL: add64_accept:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a2, a0, 2047
; RV32I-NEXT: addi a2, a2, 952
; RV32I-NEXT: sltu a0, a2, a0
; RV32I-NEXT: add a1, a1, a0
; RV32I-NEXT: mv a0, a2
; RV32I-NEXT: ret
;
; RV64I-LABEL: add64_accept:
; RV64I: # %bb.0:
; RV64I-NEXT: addi a0, a0, 2047
; RV64I-NEXT: addi a0, a0, 952
; RV64I-NEXT: ret
%1 = add i64 %a, 2999
ret i64 %1
}
@ga = global i32 0, align 4
@gb = global i32 0, align 4
define void @add32_reject() nounwind {
; RV32I-LABEL: add32_reject:
; RV32I: # %bb.0:
; RV32I-NEXT: lui a0, %hi(ga)
; RV32I-NEXT: lui a1, %hi(gb)
; RV32I-NEXT: lw a2, %lo(ga)(a0)
; RV32I-NEXT: lw a3, %lo(gb)(a1)
; RV32I-NEXT: lui a4, 1
; RV32I-NEXT: addi a4, a4, -1096
; RV32I-NEXT: add a2, a2, a4
; RV32I-NEXT: add a3, a3, a4
; RV32I-NEXT: sw a2, %lo(ga)(a0)
; RV32I-NEXT: sw a3, %lo(gb)(a1)
; RV32I-NEXT: ret
;
; RV64I-LABEL: add32_reject:
; RV64I: # %bb.0:
; RV64I-NEXT: lui a0, %hi(ga)
; RV64I-NEXT: lui a1, %hi(gb)
; RV64I-NEXT: lw a2, %lo(ga)(a0)
; RV64I-NEXT: lw a3, %lo(gb)(a1)
; RV64I-NEXT: lui a4, 1
; RV64I-NEXT: addi a4, a4, -1096
; RV64I-NEXT: add a2, a2, a4
; RV64I-NEXT: add a3, a3, a4
; RV64I-NEXT: sw a2, %lo(ga)(a0)
; RV64I-NEXT: sw a3, %lo(gb)(a1)
; RV64I-NEXT: ret
%1 = load i32, ptr @ga, align 4
%2 = load i32, ptr @gb, align 4
%3 = add i32 %1, 3000
%4 = add i32 %2, 3000
store i32 %3, ptr @ga, align 4
store i32 %4, ptr @gb, align 4
ret void
}
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