derek.holloway
7502bf64a4
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98 lines
2.6 KiB
LLVM
98 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc --mtriple=loongarch64 -mattr=+d,-div32 < %s | FileCheck %s --check-prefix=LA64
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; RUN: llc --mtriple=loongarch64 -mattr=+d,+div32 < %s | FileCheck %s --check-prefix=LA64-DIV32
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define i32 @divw(i64 %a, i64 %b) {
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; LA64-LABEL: divw:
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; LA64: # %bb.0:
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; LA64-NEXT: addi.w $a1, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: div.w $a0, $a0, $a1
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; LA64-NEXT: ret
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;
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; LA64-DIV32-LABEL: divw:
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; LA64-DIV32: # %bb.0:
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; LA64-DIV32-NEXT: div.w $a0, $a0, $a1
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; LA64-DIV32-NEXT: ret
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%conv1 = trunc i64 %a to i32
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%conv2 = trunc i64 %b to i32
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%r = sdiv i32 %conv1, %conv2
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ret i32 %r
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}
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define i32 @divwu(i64 %a, i64 %b) {
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; LA64-LABEL: divwu:
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; LA64: # %bb.0:
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; LA64-NEXT: addi.w $a1, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: div.wu $a0, $a0, $a1
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; LA64-NEXT: ret
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;
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; LA64-DIV32-LABEL: divwu:
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; LA64-DIV32: # %bb.0:
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; LA64-DIV32-NEXT: div.wu $a0, $a0, $a1
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; LA64-DIV32-NEXT: ret
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%conv1 = trunc i64 %a to i32
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%conv2 = trunc i64 %b to i32
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%r = udiv i32 %conv1, %conv2
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ret i32 %r
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}
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define i32 @modw(i64 %a, i64 %b) {
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; LA64-LABEL: modw:
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; LA64: # %bb.0:
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; LA64-NEXT: addi.w $a1, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: mod.w $a0, $a0, $a1
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; LA64-NEXT: ret
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;
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; LA64-DIV32-LABEL: modw:
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; LA64-DIV32: # %bb.0:
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; LA64-DIV32-NEXT: mod.w $a0, $a0, $a1
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; LA64-DIV32-NEXT: ret
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%conv1 = trunc i64 %a to i32
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%conv2 = trunc i64 %b to i32
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%r = srem i32 %conv1, %conv2
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ret i32 %r
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}
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define i32 @modwu(i64 %a, i64 %b) {
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; LA64-LABEL: modwu:
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; LA64: # %bb.0:
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; LA64-NEXT: addi.w $a1, $a1, 0
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; LA64-NEXT: addi.w $a0, $a0, 0
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; LA64-NEXT: mod.wu $a0, $a0, $a1
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; LA64-NEXT: ret
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;
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; LA64-DIV32-LABEL: modwu:
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; LA64-DIV32: # %bb.0:
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; LA64-DIV32-NEXT: mod.wu $a0, $a0, $a1
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; LA64-DIV32-NEXT: ret
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%conv1 = trunc i64 %a to i32
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%conv2 = trunc i64 %b to i32
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%r = urem i32 %conv1, %conv2
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ret i32 %r
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}
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define signext i32 @sextw_rmv(i32 signext %a, i32 signext %b, i32 signext %c) {
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; LA64-LABEL: sextw_rmv:
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; LA64: # %bb.0: # %entry
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; LA64-NEXT: mul.w $a0, $a1, $a0
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; LA64-NEXT: div.w $a1, $a2, $a0
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; LA64-NEXT: sltu $a0, $a1, $a0
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; LA64-NEXT: ret
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;
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; LA64-DIV32-LABEL: sextw_rmv:
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; LA64-DIV32: # %bb.0: # %entry
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; LA64-DIV32-NEXT: mul.w $a0, $a1, $a0
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; LA64-DIV32-NEXT: div.w $a1, $a2, $a0
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; LA64-DIV32-NEXT: sltu $a0, $a1, $a0
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; LA64-DIV32-NEXT: ret
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entry:
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%mul = mul nsw i32 %b, %a
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%div = sdiv i32 %c, %mul
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%cmp = icmp ult i32 %div, %mul
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%conv = zext i1 %cmp to i32
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ret i32 %conv
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}
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