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; RUN: llc -march=mips < %s | FileCheck %s -check-prefix=32
; RUN: llc -march=mips -mattr=dsp < %s | FileCheck %s -check-prefix=DSP
; RUN: llc -march=mips -mcpu=mips16 < %s
; 32: madd ${{[0-9]+}}
; DSP: madd $ac
define i64 @madd1(i32 %a, i32 %b, i32 %c) nounwind readnone {
entry:
%conv = sext i32 %a to i64
%conv2 = sext i32 %b to i64
%mul = mul nsw i64 %conv2, %conv
%conv4 = sext i32 %c to i64
%add = add nsw i64 %mul, %conv4
ret i64 %add
}
; 32: maddu ${{[0-9]+}}
; DSP: maddu $ac
define i64 @madd2(i32 %a, i32 %b, i32 %c) nounwind readnone {
entry:
%conv = zext i32 %a to i64
%conv2 = zext i32 %b to i64
%mul = mul nsw i64 %conv2, %conv
%conv4 = zext i32 %c to i64
%add = add nsw i64 %mul, %conv4
ret i64 %add
}
; 32: madd ${{[0-9]+}}
; DSP: madd $ac
define i64 @madd3(i32 %a, i32 %b, i64 %c) nounwind readnone {
entry:
%conv = sext i32 %a to i64
%conv2 = sext i32 %b to i64
%mul = mul nsw i64 %conv2, %conv
%add = add nsw i64 %mul, %c
ret i64 %add
}
; 32: msub ${{[0-9]+}}
; DSP: msub $ac
define i64 @msub1(i32 %a, i32 %b, i32 %c) nounwind readnone {
entry:
%conv = sext i32 %c to i64
%conv2 = sext i32 %a to i64
%conv4 = sext i32 %b to i64
%mul = mul nsw i64 %conv4, %conv2
%sub = sub nsw i64 %conv, %mul
ret i64 %sub
}
; 32: msubu ${{[0-9]+}}
; DSP: msubu $ac
define i64 @msub2(i32 %a, i32 %b, i32 %c) nounwind readnone {
entry:
%conv = zext i32 %c to i64
%conv2 = zext i32 %a to i64
%conv4 = zext i32 %b to i64
%mul = mul nsw i64 %conv4, %conv2
%sub = sub nsw i64 %conv, %mul
ret i64 %sub
}
; 32: msub ${{[0-9]+}}
; DSP: msub $ac
define i64 @msub3(i32 %a, i32 %b, i64 %c) nounwind readnone {
entry:
%conv = sext i32 %a to i64
%conv3 = sext i32 %b to i64
%mul = mul nsw i64 %conv3, %conv
%sub = sub nsw i64 %c, %mul
ret i64 %sub
}
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