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Differential D62774 Diff 202903 llvm/trunk/test/CodeGen/Mips/madd-msub.ll

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llvm/trunk/test/CodeGen/Mips/madd-msub.ll

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; 32-NEXT: mthi $1 ; 32-NEXT: mthi $1
; 32-NEXT: msubu $5, $4 ; 32-NEXT: msubu $5, $4
; 32-NEXT: mfhi $2 ; 32-NEXT: mfhi $2
; 32-NEXT: jr $ra ; 32-NEXT: jr $ra
; 32-NEXT: mflo $3 ; 32-NEXT: mflo $3
; ;
; 32R6-LABEL: msub2: ; 32R6-LABEL: msub2:
; 32R6: # %bb.0: # %entry ; 32R6: # %bb.0: # %entry
; 32R6-NEXT: mul $1, $5, $4 ; 32R6-NEXT: muhu $1, $5, $4
; 32R6-NEXT: sltu $2, $6, $1 ; 32R6-NEXT: mul $3, $5, $4
; 32R6-NEXT: muhu $3, $5, $4 ; 32R6-NEXT: sltu $2, $6, $3
; 32R6-NEXT: negu $3, $3 ; 32R6-NEXT: addu $1, $1, $2
; 32R6-NEXT: subu $2, $3, $2 ; 32R6-NEXT: negu $2, $1
; 32R6-NEXT: jr $ra ; 32R6-NEXT: jr $ra
; 32R6-NEXT: subu $3, $6, $1 ; 32R6-NEXT: subu $3, $6, $3
; ;
; DSP-LABEL: msub2: ; DSP-LABEL: msub2:
; DSP: # %bb.0: # %entry ; DSP: # %bb.0: # %entry
; DSP-NEXT: addiu $1, $zero, 0 ; DSP-NEXT: addiu $1, $zero, 0
; DSP-NEXT: mtlo $6, $ac0 ; DSP-NEXT: mtlo $6, $ac0
; DSP-NEXT: mthi $1, $ac0 ; DSP-NEXT: mthi $1, $ac0
; DSP-NEXT: msubu $ac0, $5, $4 ; DSP-NEXT: msubu $ac0, $5, $4
; DSP-NEXT: mfhi $2, $ac0 ; DSP-NEXT: mfhi $2, $ac0
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; 64R6-NEXT: dmul $1, $5, $4 ; 64R6-NEXT: dmul $1, $5, $4
; 64R6-NEXT: jr $ra ; 64R6-NEXT: jr $ra
; 64R6-NEXT: dsubu $2, $6, $1 ; 64R6-NEXT: dsubu $2, $6, $1
; ;
; 16-LABEL: msub2: ; 16-LABEL: msub2:
; 16: # %bb.0: # %entry ; 16: # %bb.0: # %entry
; 16-NEXT: multu $5, $4 ; 16-NEXT: multu $5, $4
; 16-NEXT: mflo $2 ; 16-NEXT: mflo $2
; 16-NEXT: mfhi $4 ; 16-NEXT: mfhi $3
; 16-NEXT: subu $3, $6, $2
; 16-NEXT: sltu $6, $2 ; 16-NEXT: sltu $6, $2
; 16-NEXT: move $2, $24 ; 16-NEXT: move $4, $24
; 16-NEXT: neg $4, $4 ; 16-NEXT: addu $4, $3, $4
; 16-NEXT: subu $2, $4, $2 ; 16-NEXT: subu $3, $6, $2
; 16-NEXT: neg $2, $4
; 16-NEXT: jrc $ra ; 16-NEXT: jrc $ra
entry: entry:
%conv = zext i32 %c to i64 %conv = zext i32 %c to i64
%conv2 = zext i32 %a to i64 %conv2 = zext i32 %a to i64
%conv4 = zext i32 %b to i64 %conv4 = zext i32 %b to i64
%mul = mul nsw i64 %conv4, %conv2 %mul = mul nsw i64 %conv4, %conv2
%sub = sub nsw i64 %conv, %mul %sub = sub nsw i64 %conv, %mul
ret i64 %sub ret i64 %sub
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