95 lines
2.1 KiB
LLVM
95 lines
2.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc --mtriple=loongarch32 < %s | FileCheck %s --check-prefix=LA32
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; RUN: llc --mtriple=loongarch64 < %s | FileCheck %s --check-prefix=LA64
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;; Exercise the 'sub' LLVM IR: https://llvm.org/docs/LangRef.html#sub-instruction
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define i1 @sub_i1(i1 %x, i1 %y) {
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; LA32-LABEL: sub_i1:
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; LA32: # %bb.0:
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; LA32-NEXT: sub.w $a0, $a0, $a1
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; LA32-NEXT: ret
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;
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; LA64-LABEL: sub_i1:
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; LA64: # %bb.0:
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; LA64-NEXT: sub.d $a0, $a0, $a1
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; LA64-NEXT: ret
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%sub = sub i1 %x, %y
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ret i1 %sub
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}
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define i8 @sub_i8(i8 %x, i8 %y) {
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; LA32-LABEL: sub_i8:
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; LA32: # %bb.0:
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; LA32-NEXT: sub.w $a0, $a0, $a1
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; LA32-NEXT: ret
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;
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; LA64-LABEL: sub_i8:
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; LA64: # %bb.0:
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; LA64-NEXT: sub.d $a0, $a0, $a1
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; LA64-NEXT: ret
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%sub = sub i8 %x, %y
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ret i8 %sub
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}
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define i16 @sub_i16(i16 %x, i16 %y) {
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; LA32-LABEL: sub_i16:
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; LA32: # %bb.0:
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; LA32-NEXT: sub.w $a0, $a0, $a1
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; LA32-NEXT: ret
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;
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; LA64-LABEL: sub_i16:
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; LA64: # %bb.0:
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; LA64-NEXT: sub.d $a0, $a0, $a1
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; LA64-NEXT: ret
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%sub = sub i16 %x, %y
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ret i16 %sub
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}
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define i32 @sub_i32(i32 %x, i32 %y) {
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; LA32-LABEL: sub_i32:
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; LA32: # %bb.0:
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; LA32-NEXT: sub.w $a0, $a0, $a1
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; LA32-NEXT: ret
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;
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; LA64-LABEL: sub_i32:
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; LA64: # %bb.0:
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; LA64-NEXT: sub.d $a0, $a0, $a1
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; LA64-NEXT: ret
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%sub = sub i32 %x, %y
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ret i32 %sub
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}
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;; Match the pattern:
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;; def : PatGprGpr_32<sub, SUB_W>;
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define signext i32 @sub_i32_sext(i32 %x, i32 %y) {
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; LA32-LABEL: sub_i32_sext:
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; LA32: # %bb.0:
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; LA32-NEXT: sub.w $a0, $a0, $a1
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; LA32-NEXT: ret
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;
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; LA64-LABEL: sub_i32_sext:
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; LA64: # %bb.0:
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; LA64-NEXT: sub.w $a0, $a0, $a1
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; LA64-NEXT: ret
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%sub = sub i32 %x, %y
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ret i32 %sub
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}
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define i64 @sub_i64(i64 %x, i64 %y) {
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; LA32-LABEL: sub_i64:
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; LA32: # %bb.0:
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; LA32-NEXT: sub.w $a1, $a1, $a3
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; LA32-NEXT: sltu $a3, $a0, $a2
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; LA32-NEXT: sub.w $a1, $a1, $a3
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; LA32-NEXT: sub.w $a0, $a0, $a2
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; LA32-NEXT: ret
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;
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; LA64-LABEL: sub_i64:
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; LA64: # %bb.0:
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; LA64-NEXT: sub.d $a0, $a0, $a1
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; LA64-NEXT: ret
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%sub = sub i64 %x, %y
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ret i64 %sub
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}
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