blob: c7c2374d5fd58440f4bc05831c058e0dda74eb92 [file] [log] [blame]
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc --mtriple=loongarch32 < %s | FileCheck %s --check-prefix=LA32
; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s --check-prefix=LA64
;; Check that ldptr.w is not emitted for small offsets.
define signext i32 @ldptr_w_too_small_offset(ptr %p) nounwind {
; LA32-LABEL: ldptr_w_too_small_offset:
; LA32: # %bb.0: # %entry
; LA32-NEXT: ld.w $a0, $a0, 2044
; LA32-NEXT: ret
;
; LA64-LABEL: ldptr_w_too_small_offset:
; LA64: # %bb.0: # %entry
; LA64-NEXT: ld.w $a0, $a0, 2044
; LA64-NEXT: ret
entry:
%addr = getelementptr inbounds i32, ptr %p, i64 511
%val = load i32, ptr %addr, align 4
ret i32 %val
}
;; Check that ldptr.w is emitted for applicable offsets.
define signext i32 @ldptr_w(ptr %p) nounwind {
; LA32-LABEL: ldptr_w:
; LA32: # %bb.0: # %entry
; LA32-NEXT: addi.w $a0, $a0, 2047
; LA32-NEXT: addi.w $a0, $a0, 1
; LA32-NEXT: ld.w $a0, $a0, 0
; LA32-NEXT: ret
;
; LA64-LABEL: ldptr_w:
; LA64: # %bb.0: # %entry
; LA64-NEXT: ldptr.w $a0, $a0, 2048
; LA64-NEXT: ret
entry:
%addr = getelementptr inbounds i32, ptr %p, i64 512
%val = load i32, ptr %addr, align 4
ret i32 %val
}
;; Check that ldptr.w is not emitted for out-of-range offsets.
define signext i32 @ldptr_w_too_big_offset(ptr %p) nounwind {
; LA32-LABEL: ldptr_w_too_big_offset:
; LA32: # %bb.0: # %entry
; LA32-NEXT: lu12i.w $a1, 8
; LA32-NEXT: add.w $a0, $a0, $a1
; LA32-NEXT: ld.w $a0, $a0, 0
; LA32-NEXT: ret
;
; LA64-LABEL: ldptr_w_too_big_offset:
; LA64: # %bb.0: # %entry
; LA64-NEXT: lu12i.w $a1, 8
; LA64-NEXT: ldx.w $a0, $a0, $a1
; LA64-NEXT: ret
entry:
%addr = getelementptr inbounds i32, ptr %p, i64 8192
%val = load i32, ptr %addr, align 4
ret i32 %val
}
;; Check that ldptr.d is not emitted for small offsets.
define i64 @ldptr_d_too_small_offset(ptr %p) nounwind {
; LA32-LABEL: ldptr_d_too_small_offset:
; LA32: # %bb.0: # %entry
; LA32-NEXT: ld.w $a2, $a0, 2040
; LA32-NEXT: ld.w $a1, $a0, 2044
; LA32-NEXT: move $a0, $a2
; LA32-NEXT: ret
;
; LA64-LABEL: ldptr_d_too_small_offset:
; LA64: # %bb.0: # %entry
; LA64-NEXT: ld.d $a0, $a0, 2040
; LA64-NEXT: ret
entry:
%addr = getelementptr inbounds i64, ptr %p, i64 255
%val = load i64, ptr %addr, align 8
ret i64 %val
}
;; Check that ldptr.d is emitted for applicable offsets.
define i64 @ldptr_d(ptr %p) nounwind {
; LA32-LABEL: ldptr_d:
; LA32: # %bb.0: # %entry
; LA32-NEXT: addi.w $a0, $a0, 2047
; LA32-NEXT: addi.w $a1, $a0, 1
; LA32-NEXT: ld.w $a0, $a1, 0
; LA32-NEXT: ld.w $a1, $a1, 4
; LA32-NEXT: ret
;
; LA64-LABEL: ldptr_d:
; LA64: # %bb.0: # %entry
; LA64-NEXT: ldptr.d $a0, $a0, 2048
; LA64-NEXT: ret
entry:
%addr = getelementptr inbounds i64, ptr %p, i64 256
%val = load i64, ptr %addr, align 8
ret i64 %val
}
;; Check that ldptr.d is not emitted for out-of-range offsets.
define i64 @ldptr_d_too_big_offset(ptr %p) nounwind {
; LA32-LABEL: ldptr_d_too_big_offset:
; LA32: # %bb.0: # %entry
; LA32-NEXT: lu12i.w $a1, 8
; LA32-NEXT: add.w $a1, $a0, $a1
; LA32-NEXT: ld.w $a0, $a1, 0
; LA32-NEXT: ld.w $a1, $a1, 4
; LA32-NEXT: ret
;
; LA64-LABEL: ldptr_d_too_big_offset:
; LA64: # %bb.0: # %entry
; LA64-NEXT: lu12i.w $a1, 8
; LA64-NEXT: ldx.d $a0, $a0, $a1
; LA64-NEXT: ret
entry:
%addr = getelementptr inbounds i64, ptr %p, i64 4096
%val = load i64, ptr %addr, align 8
ret i64 %val
}